| Women's singles | |
|---|---|
| 2015 Aegon Surbiton Trophy | |
| Champion |  Vitalia Diatchenko |
| Runner-up |  Naomi Osaka |
| Score | 7–6(7–5), 6–0 |
This was the first edition of the tournament since 2008.
Vitalia Diatchenko won the title, defeating Naomi Osaka in the final, 7–6(7–5), 6–0.
Vitalia Diatchenko (champion)
Hsieh Su-wei (quarterfinals)
Petra Cetkovská (second round)
Mandy Minella (first round)
Verónica Cepede Royg (first round)
Anett Kontaveit (semifinals)
Stéphanie Foretz (second round) Naomi Osaka (final)| Semifinals | Final | ||||||||||||
| 1 | Vitalia Diatchenko | 6 | 6 | ||||||||||
 Naomi Broady | 1 | 3 | |||||||||||
| 1 | Vitalia Diatchenko | 77 | 6 | ||||||||||
| 8 | Naomi Osaka | 65 | 0 | ||||||||||
| 6 | Anett Kontaveit | 4 | 77 | 2 | |||||||||
| 8 | Naomi Osaka | 6 | 65 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | V Diatchenko | 7 | 1 | 6 | |||||||||||||||||||||||
| Q |  N Bains | 5 | 6 | 1 | 1 | V Diatchenko | 3 | 6 | 6 | ||||||||||||||||||
| Q | L Brown | 5 | 0r | T Moore | 6 | 2 | 4 | ||||||||||||||||||||
| T Moore | 7 | 5 | 1 | V Diatchenko | 6 | 6 | |||||||||||||||||||||
| M Sirotkina | 4 | 6 | 6 |  T Paszek | 4 | 4 | |||||||||||||||||||||
 A Kalinina | 6 | 3 | 4 | M Sirotkina | 2 | 3 | |||||||||||||||||||||
| T Paszek | 6 | 6 | T Paszek | 6 | 6 | ||||||||||||||||||||||
| 5 | V Cepede Royg | 3 | 3 | 1 | V Diatchenko | 6 | 6 | ||||||||||||||||||||
| 3 | P Cetkovská | 6 | 6 | N Broady | 1 | 3 | |||||||||||||||||||||
| WC | L Deigman | 1 | 3 | 3 | P Cetkovská | 1 | 5 | ||||||||||||||||||||
| N Broady | 6 | 2 | 6 | N Broady | 6 | 7 | |||||||||||||||||||||
| WC | G Taylor | 4 | 6 | 3 | N Broady | 6 | 6 | ||||||||||||||||||||
| A Carreras | 3 | 6 | 6 | A Carreras | 1 | 4 | |||||||||||||||||||||
| WC | F Stephenson | 6 | 3 | 3 | A Carreras | 6 | 2 | 6 | |||||||||||||||||||
| J Coin | 3 | 2 | 7 | S Foretz | 4 | 6 | 3 | ||||||||||||||||||||
| 7 | S Foretz | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | A Kontaveit | 6 | 6 | ||||||||||||||||||||||||
| Q | J Drew | 1 | 2 | 6 | A Kontaveit | 6 | 6 | ||||||||||||||||||||
| N Cavaday | 78 | 0 | 3 | E Webley-Smith | 0 | 2 | |||||||||||||||||||||
| E Webley-Smith | 66 | 6 | 6 | 6 | A Kontaveit | 6 | 6 | ||||||||||||||||||||
 G García Pérez | 77 | 6 | G García Pérez | 3 | 3 | ||||||||||||||||||||||
 A Bowtell | 62 | 2 | G García Pérez | 6 | 6 | ||||||||||||||||||||||
| PR |  M Buzărnescu | 7 | 6 | PR | M Buzărnescu | 2 | 4 | ||||||||||||||||||||
| 4 | M Minella | 5 | 1 | 6 | A Kontaveit | 4 | 77 | 2 | |||||||||||||||||||
| 8 | N Osaka | 6 | 6 | 8 | N Osaka | 6 | 65 | 6 | |||||||||||||||||||
| Q |  L Stefani | 4 | 4 | 8 | N Osaka | 0 | 77 | 6 | |||||||||||||||||||
 X Knoll | 6 | 6 | X Knoll | 6 | 64 | 0 | |||||||||||||||||||||
| WC | G Axon | 1 | 1 | 8 | N Osaka | 6 | 65 | 6 | |||||||||||||||||||
| H Dart | 6 | 6 | 2 | S-w Hsieh | 4 | 77 | 3 | ||||||||||||||||||||
| L Kichenok | 4 | 1 | H Dart | 5 | 5 | ||||||||||||||||||||||
| A Bai | 1 | 3 | 2 | S-w Hsieh | 7 | 7 | |||||||||||||||||||||
| 2 | S-w Hsieh | 6 | 6 | ||||||||||||||||||||||||
1st-seeded German pair Julia Görges and Anna-Lena Grönefeld won in the final 6–4, 6–4, against Vitalia Diatchenko and Tatiana Poutchek.
Julia Görges and Anna-Lena Grönefeld were the defending champions, but decided not to compete.
Johanna Larsson and Jasmin Wöhr won the tournament, defeating Kristina Mladenovic and Katarzyna Piter in the final 6–3, 6–3.
Alexandra Panova and Tatiana Poutchek were the defending champions, but Poutchek decided not to participate.
Panova partnered with Akgul Amanmuradova, but were eliminated in the semifinals by Eleni Daniilidou and Vitalia Diatchenko.
Daniilidou and Diatchenko later defeated Lyudmyla Kichenok and Nadiya Kichenok in the final, 6–4, 6–3.
Vitalia Diatchenko and Irena Pavlovic were the defending champions, but both players chose not to participate.
Maria João Koehler and Katalin Marosi won the title, defeating Amanda Elliott and Johanna Konta 7–6(7–3), 6–1 in the final.
Simona Halep was the defending champion, but she chose not to participate this year.
Alison Van Uytvanck was the defending champion, but chose to participate at the 2014 Open GDF Suez de Limoges instead.
Alexandra Panova and Heather Watson were the defending champions, but Watson chose not to participate. Panova successfully defended the title alongside Margarita Gasparyan, defeating Vitalia Diatchenko and Olga Savchuk in the final, 6–3, 7–5.
Vitalia Diatchenko was the defending champion, but chose not to participate.
Evgeniya Rodina was the defending champion, but lost in the first round to Eri Hozumi.
Julia Görges was the defending champion, but chose to compete in Luxembourg instead.
Maia Lumsden was the defending champion, but lost to Yanina Wickmayer in the quarterfinals.
Ashleigh Barty defeated Karolína Plíšková in the final, 7–6(7–1), 6–3 to win the women's singles tennis title at the 2019 Miami Open. It was Barty's first WTA Premier Mandatory title. She entered the top 10 in the WTA rankings for the first time with the win.
Anna Blinkova was the defending champion, but chose not to participate.
Alison Riske was the defending champion. Riske successfully defended the title, by beating 2017 champion Magdaléna Rybáriková 6–7(5–7), 6–2, 6–2 in the final.
Luksika Kumkhum was the defending champion, but chose not to participate.
Kiki Bertens was the defending champion and successfully defended her title, defeating Elena Rybakina in the final, 6–1, 6–3. This would be Bertens' final WTA Tour singles title before her retirement in July 2021.
Naomi Osaka defeated Victoria Azarenka in the final, 1–6, 6–3, 6–3 to win the women's singles tennis title at the 2020 US Open. It was her second US Open title and third major title overall. Osaka became the first player from an Asian country to win three major singles titles, the first player since Jennifer Capriati to win three such titles in three attempts and, at 22 years of age, the youngest player to win three major titles since Maria Sharapova at the 2008 Australian Open. Azarenka, who was in her first major final since the 2013 US Open, was aiming to become the first mother to win a major singles title since Kim Clijsters won the 2011 Australian Open.
Ons Jabeur defeated Daria Kasatkina in the final, 7–5, 6–4, to win the singles tennis title at the 2021 Birmingham Classic. By winning her first career singles title on her third attempt, Jabeur became the first Tunisian and Arab woman to win a singles title on the WTA Tour.
Petra Martić was the defending champion, but chose to compete at the 2021 Western & Southern Open instead.
This was the first edition of this tennis tournament.