2018 Australian Open – Day-by-day summaries

Main article: 2018 Australian Open

The 2018 Australian Open described in detail, in the form of day-by-day summaries.

Day 1 (15 January)

• Seeds out:
  • Men's Singles: Jack Sock [8], Kevin Anderson [11], John Isner [16], Lucas Pouille [18], Philipp Kohlschreiber [27]
  • Women's Singles: Venus Williams [5], CoCo Vandeweghe [10], Sloane Stephens [13], Dominika Cibulková [24], Peng Shuai [25], Ekaterina Makarova [31]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles 1st Round	Jeļena Ostapenko [7]	Francesca Schiavone	6–1, 6–4
Women's Singles 1st Round	Belinda Bencic	Venus Williams [5]	6–3, 7–5
Men's Singles 1st Round	Grigor Dimitrov [3]	Dennis Novak [Q]	6–3, 6–2, 6–1
Men's Singles 1st Round	Rafael Nadal [1]	Víctor Estrella Burgos	6–1, 6–1, 6–1
Women's Singles 1st Round	Daria Gavrilova [23]	Irina Falconi [Q]	6–1, 6–1
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Women's Singles 1st Round	Zhang Shuai	Sloane Stephens [13]	2–6, 7–6(7–2), 6–2
Men's Singles 1st Round	Matthew Ebden	John Isner [16]	6–4, 3–6, 6–3, 6–3
Women's Singles 1st Round	Monica Puig	Samantha Stosur	4–6, 7–6(8–6), 6–4
Women's Singles 1st Round	Caroline Wozniacki [2]	Mihaela Buzărnescu	6–2, 6–3
Men's Singles 1st Round	Jo-Wilfried Tsonga [15]	Kevin King [Q]	6–4, 6–4, 6–1
Matches on Melbourne Arena
Event	Winner	Loser	Score
Women's Singles 1st Round	Julia Görges [12]	Sofia Kenin	6–4, 6–4
Women's Singles 1st Round	Tímea Babos	CoCo Vandeweghe [10]	7–6(7–4), 6–2
Men's Singles 1st Round	Marin Čilić [6]	Vasek Pospisil [Q]	6–2, 6–2, 4–6, 7–6(7–5)
Men's Singles 1st Round	Nick Kyrgios [17]	Rogério Dutra Silva	6–1, 6–2, 6–4
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7 pm AEDT

Day 2 (16 January)

• Seeds out:
  • Men's Singles: Roberto Bautista Agut [20], Milos Raonic [22], Mischa Zverev [32]
  • Women's Singles: Kristina Mladenovic [11], Petra Kvitová [27]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles 1st Round	Karolína Plíšková [6]	Verónica Cepede Royg	6–3, 6–4
Men's Singles 1st Round	Alexander Zverev [4]	Thomas Fabbiano	6–1, 7–6(7–5), 7–5
Women's Singles 1st Round	Simona Halep [1]	Destanee Aiava [WC]	7–6(7–5), 6–1
Men's Singles 1st Round	Roger Federer [2]	Aljaž Bedene	6–3, 6–4, 6–3
Women's Singles 1st Round	Ashleigh Barty [18]	Aryna Sabalenka	6–7(2–7), 6–4, 6–4
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Women's Singles 1st Round	Caroline Garcia [8]	Carina Witthöft	7–5, 6–3
Women's Singles 1st Round	Maria Sharapova	Tatjana Maria	6–1, 6–4
Men's Singles 1st Round	Novak Djokovic [14]	Donald Young	6–1, 6–2, 6–4
Women's Singles 1st Round	Garbiñe Muguruza [3]	Jessika Ponchet [WC]	6–4, 6–3
Men's Singles 1st Round	Juan Martín del Potro [12]	Frances Tiafoe	6–3, 6–4, 6–3
Matches on Melbourne Arena
Event	Winner	Loser	Score
Women's Singles 1st Round	Johanna Konta [9]	Madison Brengle	6–3, 6–1
Women's Singles 1st Round	Angelique Kerber [21]	Anna-Lena Friedsam [PR]	6–0, 6–4
Men's Singles 1st Round	Stan Wawrinka [9]	Ričardas Berankis [PR]	6–3, 6–4, 2–6, 7–6(7–2)
Men's Singles 1st Round	Tomáš Berdych [19]	Alex de Minaur [WC]	6–3, 3–6, 6–0, 6–1
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7 pm AEDT

Day 3 (17 January)

• 15 year old Marta Kostyuk become the youngest player to reach a grand slam third round since Mirjana Lučić-Baroni at the 1997 US Open. ^[1]

• The second round match between Daria Gavrilova and Elise Mertens began at 11.59pm became the latest match to begin at in Australian Open history. This surpassing the previous record of 11.58pm set by Grigor Dimitrov and Richard Gasquet in 2017. ^[2]

• Seeds out:
  • Men's Singles: Pablo Cuevas [31]
  • Women's Singles: Julia Görges [12], Anastasia Pavlyuchenkova [15], Daria Kasatkina [22], Daria Gavrilova [23]
  • Men's Doubles: Santiago González / Julio Peralta [13], Ivan Dodig / Fernando Verdasco [14]
  • Women's Doubles: Andreja Klepač / María José Martínez Sánchez [9]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles 2nd Round	Elina Svitolina [4]	Kateřina Siniaková	4–6, 6–2, 6–1
Women's Singles 2nd Round	Caroline Wozniacki [2]	Jana Fett	3–6, 6–2, 7–5
Men's Singles 2nd Round	Rafael Nadal [1]	Leonardo Mayer	6–3, 6–4, 7–6(7–4)
Men's Singles 2nd Round	Grigor Dimitrov [3]	Mackenzie McDonald [Q]	4–6, 6–2, 6–4, 0–6, 8–6
Women's Singles 2nd Round	Elise Mertens	Daria Gavrilova [23]	7–5, 6–3
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Women's Singles 2nd Round	Marta Kostyuk [Q]	Olivia Rogowska [WC]	6–3, 7–5
Men's Singles 2nd Round	Jo-Wilfried Tsonga [15]	Denis Shapovalov	3–6, 6–3, 1–6, 7–6(7–4), 7–5
Women's Singles 2nd Round	Jeļena Ostapenko [7]	Duan Yingying	6–3, 3–6, 6–4
Women's Singles 2nd Round	Alizé Cornet	Julia Görges [12]	6–4, 6–3
Men's Singles 2nd Round	Alexandr Dolgopolov	Matthew Ebden	7–6(7–0), 6–3, 6–4
Matches on Melbourne Arena
Event	Winner	Loser	Score
Women's Singles 2nd Round	Kateryna Bondarenko	Anastasia Pavlyuchenkova [15]	6–2, 6–4
Women's Singles 2nd Round	Luksika Kumkhum [Q]	Belinda Bencic	6–1, 6–3
Men's Singles 2nd Round	Marin Čilić [6]	João Sousa	6–1, 7–5, 6–2
Men's Singles 2nd Round	Nick Kyrgios [17]	Viktor Troicki	7–5, 6–4, 7–6(7–2)
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7 pm AEDT

Day 4 (18 January)

• Seeds out:
  • Men's Singles: David Goffin [7], Stan Wawrinka [9], Sam Querrey [13]
  • Women's Singles: Garbiñe Muguruza [3], Johanna Konta [9], Anastasija Sevastova [14], Elena Vesnina [16], Mirjana Lučić-Baroni [28]
  • Men's Doubles: Raven Klaasen / Michael Venus [8], Pablo Cuevas / Horacio Zeballos [12]
  • Women's Doubles: Kiki Bertens / Johanna Larsson [7]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles 2nd Round	Maria Sharapova	Anastasija Sevastova [14]	6–1, 7–6(7–4)
Women's Singles 2nd Round	Hsieh Su-wei	Garbiñe Muguruza [3]	7–6(7–1), 6–4
Men's Singles 2nd Round	Novak Djokovic [14]	Gaël Monfils	4–6, 6–3, 6–1, 6–3
Women's Singles 2nd Round	Ashleigh Barty [18]	Camila Giorgi	5–7, 6–4, 6–1
Men's Singles 2nd Round	Roger Federer [2]	Jan-Lennard Struff	6–4, 6–4, 7–6(7–4)
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Men's Singles 2nd Round	Dominic Thiem [5]	Denis Kudla [Q]	6–7(6–8), 3–6, 6–3, 6–2, 6–3
Women's Singles 2nd Round	Angelique Kerber [21]	Donna Vekić	6–4, 6–1
Women's Singles 2nd Round	Madison Keys [17]	Ekaterina Alexandrova	6–0, 6–1
Women's Singles 2nd Round	Simona Halep [1]	Eugenie Bouchard	6–2, 6–2
Men's Singles 2nd Round	Tennys Sandgren	Stan Wawrinka [9]	6–2, 6–1, 6–4
Matches on Melbourne Arena
Event	Winner	Loser	Score
Women's Singles 2nd Round	Caroline Garcia [8]	Markéta Vondroušová	6–7(3–7), 6–2, 8–6
Women's Singles 2nd Round	Karolína Plíšková [6]	Beatriz Haddad Maia	6–1, 6–1
Men's Singles 2nd Round	Juan Martín del Potro [12]	Karen Khachanov	6–4, 7–6(7–4), 6–7(0–7), 6–4
Men's Singles 2nd Round	Alexander Zverev [4]	Peter Gojowczyk	6–1, 6–3, 4–6, 6–3
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7 pm AEDT

Day 5 (19 January)

• Seeds out:
  • Men's Singles: Jo-Wilfried Tsonga [15], Gilles Müller [23], Damir Džumhur [28], Andrey Rublev [30]
  • Women's Singles: Jeļena Ostapenko [7], Kiki Bertens [30]
  • Men's Doubles: Henri Kontinen / John Peers [2], Feliciano López / Marc López [9]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles 3rd Round	Petra Martić	Luksika Kumkhum [Q]	6–3, 3–6, 7–5
Women's Singles 3rd Round	Elina Svitolina [4]	Marta Kostyuk [Q]	6–2, 6–2
Men's Singles 3rd Round	Grigor Dimitrov [3]	Andrey Rublev [30]	6–3, 4–6, 6–4, 6–4
Men's Singles 3rd Round	Nick Kyrgios [17]	Jo-Wilfried Tsonga [15]	7–6(7–5), 4–6, 7–6(8–6), 7–6(7–5)
Women's Singles 3rd Round	Caroline Wozniacki [2]	Kiki Bertens [30]	6–4, 6–3
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Women's Singles 3rd Round	Denisa Allertová [Q]	Magda Linette	6–1, 6–4
Men's Singles 3rd Round	Pablo Carreño Busta [10]	Gilles Müller [23]	7–6(7–4), 4–6, 7–5, 7–5
Women's Singles 3rd Round	Magdaléna Rybáriková [19]	Kateryna Bondarenko	7–5, 3–6, 6–1
Men's Singles 3rd Round	Rafael Nadal [1]	Damir Džumhur [28]	6–1, 6–3, 6–1
Women's Singles 3rd Round	Anett Kontaveit [32]	Jeļena Ostapenko [7]	6–3, 1–6, 6–3
Matches on Melbourne Arena
Event	Winner	Loser	Score
Men's Doubles 2nd Round	Bob Bryan [6] Mike Bryan [6]	Max Mirnyi Philipp Oswald	6–7(5–7), 6–4, 6–4
Women's Singles 3rd Round	Elise Mertens	Alizé Cornet	7–5, 6–4
Men's Singles 3rd Round	Andreas Seppi	Ivo Karlović	6–3, 7–6(7–4), 6–7(3–7), 6–7(5–7), 9–7
Men's Singles 3rd Round	Marin Čilić [6]	Ryan Harrison	7–6(7–4), 6–3, 7–6(7–4)
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7 pm AEDT

Day 6 (20 January)

• The Simona Halep/Lauren Davis match lasted three hours and 45 minutes, equalling the Australian Open's record for most games played in a women's match at 48. The 142-minute third set lasted longer than all but six female singles matches to date in the tournament. ^[3]
• Chung Hyeon became the first South Korean player (male or female) to reach the fourth round at the Grand Slam. ^[4]
• Seeds out:
  • Men's Singles: Alexander Zverev [4], Juan Martín del Potro [12], Albert Ramos Viñolas [21], Adrian Mannarino [26], Richard Gasquet [29]
  • Women's Singles: Ashleigh Barty [18], Agnieszka Radwańska [26], Lucie Šafářová [29]
  • Men's Doubles: Jean-Julien Rojer / Horia Tecău [3], Pierre-Hugues Herbert / Nicolas Mahut [4], Jamie Murray / Bruno Soares [5]
  • Women's Doubles: Ashleigh Barty / Casey Dellacqua [3], Alicja Rosolska / Abigail Spears [15]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles 3rd Round	Simona Halep [1]	Lauren Davis	4–6, 6–4, 15–13
Men's Singles 3rd Round	Chung Hyeon	Alexander Zverev [4]	5–7, 7–6(7–3), 2–6, 6–3, 6–0
Women's Singles 3rd Round	Angelique Kerber [21]	Maria Sharapova	6–1, 6–3
Men's Singles 3rd Round	Roger Federer [2]	Richard Gasquet [29]	6–2, 7–5, 6–4
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Women's Singles 3rd Round	Madison Keys [17]	Ana Bogdan	6–3, 6–4
Women's Singles 3rd Round	Karolína Plíšková [6]	Lucie Šafářová [29]	7–6(8–6), 7–5
Men's Singles 3rd Round	Dominic Thiem [5]	Adrian Mannarino [26]	6–4, 6–2, 7–5
Women's Singles 3rd Round	Naomi Osaka	Ashleigh Barty [18]	6–4, 6–2
Men's Singles 3rd Round	Novak Djokovic [14]	Albert Ramos Viñolas [21]	6–2, 6–3, 6–3
Women's Singles 3rd Round	Hsieh Su-wei	Agnieszka Radwańska [26]	6–2, 7–5
Matches on Melbourne Arena
Event	Winner	Loser	Score
Men's Legends' Doubles Round Robin	Thomas Johansson Mats Wilander	John McEnroe Patrick McEnroe	4–3(5–3), 1–4, 4–2
Women's Singles 3rd Round	Caroline Garcia [8]	Aliaksandra Sasnovich	6–3, 5–7, 6–2
Men's Singles 3rd Round	Fabio Fognini [25]	Julien Benneteau	3–6, 6–2, 6–1, 4–6, 6–3
Men's Singles 3rd Round	Tomáš Berdych [19]	Juan Martín del Potro [12]	6–3, 6–3, 6–2
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7 pm AEDT

Day 7 (21 January)

• Seeds out:
  • Men's Singles: Pablo Carreño Busta [10], Nick Kyrgios [17], Diego Schwartzman [24]
  • Women's Singles: Magdaléna Rybáriková [19], Anett Kontaveit [32]
  • Women's Doubles: Raquel Atawo / Anna-Lena Grönefeld [12], Nicole Melichar / Květa Peschke [13]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles 4th Round	Carla Suárez Navarro	Anett Kontaveit [32]	4–6, 6–4, 8–6
Women's Singles 4th Round	Caroline Wozniacki [2]	Magdaléna Rybáriková [19]	6–3, 6–0
Men's Singles 4th Round	Rafael Nadal [1]	Diego Schwartzman [24]	6–3, 6–7(4–7), 6–3, 6–3
Men's Singles 4th Round	Grigor Dimitrov [3]	Nick Kyrgios [17]	7–6(7–3), 7–6(7–4), 4–6, 7–6(7–4)
Women's Singles 4th Round	Elina Svitolina [4]	Denisa Allertová [Q]	6–3, 6–0
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Women's Doubles 3rd Round	Irina-Camelia Begu [10] Monica Niculescu [10]	Nadiia Kichenok Anastasia Rodionova	4–1, ret.
Men's Singles 4th Round	Marin Čilić [6]	Pablo Carreño Busta [10]	6–7(2–7), 6–3, 7–6(7–0), 7–6(7–3)
Women's Singles 4th Round	Elise Mertens	Petra Martić	7–6(7–5), 7–5
Mixed Doubles 1st Round	Tímea Babos [5] Rohan Bopanna [5]	Ellen Perez [WC] Andrew Whittington [WC]	6–2, 6–4
Matches on Melbourne Arena
Event	Winner	Loser	Score
Men's Legends' Doubles Round Robin	John McEnroe Patrick McEnroe	Mansour Bahrami Fabrice Santoro	2–4, 4–0, 4–3(5–1)
Men's Doubles 3rd Round	Bob Bryan [6] Mike Bryan [6]	Jérémy Chardy Fabrice Martin	6–7(2–7), 7–6(7–5), 6–3
Men's Doubles 3rd Round	Sam Groth [WC] Lleyton Hewitt [WC]	Pablo Andújar [PR] Albert Ramos Viñolas [PR]	3–3, ret.
Men's Singles 4th Round	Kyle Edmund	Andreas Seppi	6–7(4–7), 7–5, 6–2, 6–3
Mixed Doubles 1st Round	Demi Schuurs Jean-Julien Rojer	Monique Adamczak [WC] Matthew Ebden [WC]	7–5, 6–4
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7 pm AEDT

Day 8 (22 January)

• Seeds out:
  • Men's Singles: Dominic Thiem [5], Novak Djokovic [14], Fabio Fognini [25]
  • Women's Singles: Caroline Garcia [8], Barbora Strýcová [20]
  • Men's Doubles: Rohan Bopanna / Édouard Roger-Vasselin [10], Rajeev Ram / Divij Sharan [16]
  • Women's Doubles: Shuko Aoyama / Yang Zhaoxuan [11], Chan Hao-ching / Katarina Srebotnik [14], Barbora Krejčíková / Kateřina Siniaková [16]
  • Mixed Doubles: Latisha Chan / Jamie Murray [1], Casey Dellacqua / John Peers [2], Květa Peschke / Henri Kontinen [4]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles 4th Round	Madison Keys [17]	Caroline Garcia [8]	6–3, 6–2
Women's Singles 4th Round	Angelique Kerber [21]	Hsieh Su-wei	4–6, 7–5, 6–2
Men's Singles 4th Round	Roger Federer [2]	Márton Fucsovics	6–4, 7–6(7–3), 6–2
Men's Singles 4th Round	Chung Hyeon	Novak Djokovic [14]	7–6(7–4), 7–5, 7–6(7–3)
Women's Singles 4th Round	Karolína Plíšková [6]	Barbora Strýcová [20]	6–7(5–7), 6–3, 6–2
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Women's Doubles 3rd Round	Latisha Chan [1] Andrea Sestini Hlaváčková [1]	Chan Hao-ching [14] Katarina Srebotnik [14]	6–3, 6–2
Men's Singles 4th Round	Tomáš Berdych [19]	Fabio Fognini [25]	6–1, 6–4, 6–4
Women's Doubles 3rd Round	Tímea Babos [5] Kristina Mladenovic [5]	Viktorija Golubic Nina Stojanović	7–5, 6–2
Women's Singles 4th Round	Simona Halep [1]	Naomi Osaka	6–3, 6–2
Matches on Melbourne Arena
Event	Winner	Loser	Score
Men's Legends' Doubles Round Robin	Wayne Ferreira Goran Ivanišević	Thomas Enqvist Todd Woodbridge	4–2, 4–3(5–2)
Men's Doubles 3rd Round	Łukasz Kubot [1] Marcelo Melo [1]	Rajeev Ram [16] Divij Sharan [16]	3–6, 7–6(7–4), 6–4
Men's Doubles 3rd Round	Ben McLachlan Jan-Lennard Struff	Pablo Carreño Busta Guillermo García López	6–4, 7–6(7–5)
Men's Singles 4th Round	Tennys Sandgren	Dominic Thiem [5]	6–2, 4–6, 7–6(7–4), 6–7(7–9), 6–3
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7 pm AEDT

Day 9 (23 January)

• Seeds out:
  • Men's Singles: Rafael Nadal [1], Grigor Dimitrov [3]
  • Women's Singles: Elina Svitolina [4]
  • Men's Doubles: Łukasz Kubot / Marcelo Melo [1], Marcin Matkowski / Aisam-ul-Haq Qureshi [15]
  • Women's Doubles: Latisha Chan / Andrea Sestini Hlaváčková [1], Lucie Šafářová / Barbora Strýcová [4], Gabriela Dabrowski / Xu Yifan [6]
  • Mixed Doubles: Chan Hao-ching / Michael Venus [7]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Men's Doubles Quarterfinals	Bob Bryan [6] Mike Bryan [6]	Marcin Matkowski [15] Aisam-ul-Haq Qureshi [15]	6–1, 6–4
Women's Singles Quarterfinals	Elise Mertens	Elina Svitolina [4]	6–4, 6–0
Men's Singles Quarterfinals	Kyle Edmund	Grigor Dimitrov [3]	6–4, 3–6, 6–3, 6–4
Men's Singles Quarterfinals	Marin Čilić [6]	Rafael Nadal [1]	3–6, 6–3, 6–7(5–7), 6–2, 2–0, retired
Women's Singles Quarterfinals	Caroline Wozniacki [2]	Carla Suárez Navarro	6–0, 6–7(3–7), 6–2
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Men's Legends' Doubles Round Robin	Jacco Eltingh Paul Haarhuis	Thomas Enqvist Todd Woodbridge	4–1, 1–4, 4–3(5–4)
Men's Doubles Quarterfinals	Ben McLachlan Jan-Lennard Struff	Łukasz Kubot [1] Marcelo Melo [1]	6–4, 6–7(4–7), 7–6(7–5)
Women's Doubles Quarterfinals	Ekaterina Makarova [2] Elena Vesnina [2]	Gabriela Dabrowski [6] Xu Yifan [6]	0–6, 6–1, 7–6(7–2)
Mixed Doubles 2nd Round	Andrea Sestini Hlaváčková [6] Édouard Roger-Vasselin [6]	Nadiia Kichenok Marcel Granollers	6–2, 7–5
Mixed Doubles 2nd Round	Gabriela Dabrowski [8] Mate Pavić [8]	Demi Schuurs Jean-Julien Rojer	6–1, 6–3
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7 pm AEDT

Day 10 (24 January)

• Seeds out:
  • Men's Singles: Tomáš Berdych [19]
  • Women's Singles: Karolína Plíšková [6], Madison Keys [17]
  • Women's Doubles: Hsieh Su-wei / Peng Shuai [8], Irina-Camelia Begu / Monica Niculescu [10]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles Quarterfinals	Angelique Kerber [21]	Madison Keys [17]	6–1, 6–2
Men's Singles Quarterfinals	Chung Hyeon	Tennys Sandgren	6–4, 7–6(7–5), 6–3
Women's Singles Quarterfinals	Simona Halep [1]	Karolína Plíšková [6]	6–3, 6–2
Men's Singles Quarterfinals	Roger Federer [2]	Tomáš Berdych [19]	7–6(7–1), 6–3, 6–4
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Men's Legends' Doubles Round Robin	Mansour Bahrami Fabrice Santoro	Thomas Johansson Mats Wilander	3–4(2–5), 4–1, 4–3(5–4)
Women's Doubles Semifinals	Tímea Babos [5] Kristina Mladenovic [5]	Hsieh Su-wei [8] Peng Shuai [8]	6–4, 6–2
Men's Doubles Quarterfinals	Oliver Marach [7] Mate Pavić [7]	Marcus Daniell Dominic Inglot	6–4, 6–7(10–12), 7–6(7–5)
Men's Doubles Quarterfinals	Juan Sebastián Cabal [11] Robert Farah [11]	Sam Groth [WC] Lleyton Hewitt [WC]	6–4, 7–5
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7:30 pm AEDT

Day 11 (25 January)

• Seeds out:
  • Women's Singles: Angelique Kerber [21]
  • Men's Doubles: Bob Bryan / Mike Bryan [6]
  • Mixed Doubles: Andrea Sestini Hlaváčková / Édouard Roger-Vasselin [6]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Mixed Doubles Quarterfinals	María José Martínez Sánchez Marcelo Demoliner	Storm Sanders [WC] Marc Polmans [WC]	7–5, 6–4
Women's Singles Semifinals	Caroline Wozniacki [2]	Elise Mertens	6–3, 7–6(7–2)
Women's Singles Semifinals	Simona Halep [1]	Angelique Kerber [21]	6–3, 4–6, 9–7
Men's Singles Semifinals	Marin Čilić [6]	Kyle Edmund	6–2, 7–6(7–4), 6–2
Men's Doubles Semifinals	Juan Sebastián Cabal [11] Robert Farah [11]	Bob Bryan [6] Mike Bryan [6]	7–6(7–1), 7–5
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Men's Legends' Doubles Round Robin	Henri Leconte Mark Philippoussis	Thomas Enqvist Todd Woodbridge	4–3(5–2), 4–2
Men's Doubles Semifinals	Oliver Marach [7] Mate Pavić [7]	Ben McLachlan Jan-Lennard Struff	4–6, 7–5, 7–6(7–4)
Mixed Doubles Quarterfinals	Ekaterina Makarova [3] Bruno Soares [3]	Andrea Sestini Hlaváčková [6] Édouard Roger-Vasselin [6]	6–2, 4–6, [13–11]
Mixed Doubles Quarterfinals	Gabriela Dabrowski [8] Mate Pavić [8]	Johanna Larsson Matwé Middelkoop	6–3, 7–6(7–0)
Coloured background indicates a night match
Day matches began at 11 am, whilst night matches began at 7:30 pm AEDT

Day 12 (26 January)

• Seeds out:
  • Women's Doubles: Ekaterina Makarova / Elena Vesnina [2]
  • Mixed Doubles: Ekaterina Makarova / Bruno Soares [3]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Doubles Final	Tímea Babos [5] Kristina Mladenovic [5]	Ekaterina Makarova [2] Elena Vesnina [2]	6–4, 6–3
Men's Singles Semifinals	Roger Federer [2]	Chung Hyeon	6–1, 5–2, retired
Matches on Margaret Court Arena
Event	Winner	Loser	Score
Mixed Doubles Semifinals	Gabriela Dabrowski [8] Mate Pavić [8]	Ekaterina Makarova [3] Bruno Soares [3]	6–1, 6–4
Mixed Doubles Semifinals	Tímea Babos [5] Rohan Bopanna [5]	María José Martínez Sánchez Marcelo Demoliner	7–5, 5–7, [10–6]
Coloured background indicates a night match
Day matches began at 3 pm, whilst night matches began at 7:30 pm AEDT

Day 13 (27 January)

• Caroline Wozniacki became the first Danish player to win a Grand Slam singles title. ^[5]
• Seeds out:
  • Women's Singles: Simona Halep [1]
  • Men's Doubles: Juan Sebastián Cabal / Robert Farah [11]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Women's Singles Final	Caroline Wozniacki [2]	Simona Halep [1]	7–6(7–2), 3–6, 6–4
Men's Doubles Final	Oliver Marach [7] Mate Pavić [7]	Juan Sebastián Cabal [11] Robert Farah [11]	6–4, 6–4
Coloured background indicates a night match
Night matches began at 7:30 pm AEDT

Day 14 (28 January)

• Seeds out:
  • Men's Singles: Marin Čilić [6]
  • Mixed Doubles: Tímea Babos / Rohan Bopanna [5]
• Schedule of Play

Matches on main courts
Matches on Rod Laver Arena
Event	Winner	Loser	Score
Mixed Doubles Final	Gabriela Dabrowski [8] Mate Pavić [8]	Tímea Babos [5] Rohan Bopanna [5]	2–6, 6–4, [11–9]
Men's Singles Final	Roger Federer [2]	Marin Čilić [6]	6–2, 6–7(5–7), 6–3, 3–6, 6–1
Coloured background indicates a night match
Day matches began at 4 pm, whilst night matches began at 7:30 pm AEDT

References

1. "Marta Kostyuk makes history as 15-year-old reaches third round". Euro Sport. 17 January 2018. Retrieved 17 January 2018.
2. "Australian Open record set before Daria Gavrilova falls in late-night encounter". The Guardian. 18 January 2018. Retrieved 18 January 2018.
3. "Australian Open: Simona Halep beats Lauren Davis in a record-equalling three-set epic". Australian Broadcasting Corporation. 20 January 2018. Retrieved 21 January 2018.
4. "Tennis: South Korea's Chung Hyeon makes Australian Open history after Alexander Zverev upset". Straits Times. 20 January 2018. Retrieved 22 January 2018.
5. Piers Newberry (27 January 2018). "Australian Open: Caroline Wozniacki beats Simona Halep to win first Grand Slam title". BBC Sport.