| Singles | |
|---|---|
| 2016 BGL Luxembourg Open | |
| Champion |  Monica Niculescu |
| Runner-up |  Petra Kvitová |
| Final score | 6–4, 6–0 |
| Seeds | 8 |
Misaki Doi was the defending champion, but lost in the first round to Lauren Davis.
Monica Niculescu won the title, defeating Petra Kvitová in the final, 6–4, 6–0.
Petra Kvitová (final)
Caroline Wozniacki (quarterfinals, withdrew)
Kiki Bertens (semifinals)
Caroline Garcia (second round)
Laura Siegemund (first round)
Misaki Doi (first round)
Eugenie Bouchard (first round)
Johanna Larsson (quarterfinals)| Semifinals | Final | ||||||||||||
| 1 | Petra Kvitová | 7 | 6 | ||||||||||
| Q |  Lauren Davis | 5 | 3 | ||||||||||
| 1 | Petra Kvitová | 4 | 0 | ||||||||||
| Monica Niculescu | 6 | 6 | |||||||||||
| 3 | Kiki Bertens | 3 | 3 | ||||||||||
| Monica Niculescu | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | P Kvitová | 7 | 6 | ||||||||||||||||||||||||
 S-w Hsieh | 5 | 0 | 1 | P Kvitová | 4 | 6 | 6 | ||||||||||||||||||||
| V Lepchenko | 6 | 3 | 6 | V Lepchenko | 6 | 2 | 1 | ||||||||||||||||||||
 T Pironkova | 1 | 6 | 1 | 1 | P Kvitová | 6 | 6 | ||||||||||||||||||||
| Q | C Witthöft | 1 | 4 | 8 | J Larsson | 2 | 0 | ||||||||||||||||||||
| M Barthel | 6 | 6 | M Barthel | 1 | 4 | ||||||||||||||||||||||
| P Parmentier | 4 | 2 | 8 | J Larsson | 6 | 6 | |||||||||||||||||||||
| 8 | J Larsson | 6 | 6 | 1 | P Kvitová | 7 | 6 | ||||||||||||||||||||
| 4 | C Garcia | 77 | 2 | 6 | Q | L Davis | 5 | 3 | |||||||||||||||||||
 A Kontaveit | 62 | 6 | 4 | 4 | C Garcia | 1 | 1 | ||||||||||||||||||||
| A Petkovic | 1 | 7 | 6 | A Petkovic | 6 | 6 | |||||||||||||||||||||
| WC |  M Minella | 6 | 5 | 4 | A Petkovic | 6 | 5 | 2 | |||||||||||||||||||
| Q | Kr Plíšková | 3 | 6 | 6 | Q | L Davis | 2 | 7 | 6 | ||||||||||||||||||
| WC | O Dodin | 6 | 3 | 4 | Q | Kr Plíšková | 6 | 4 | 3 | ||||||||||||||||||
| Q | L Davis | 6 | 6 | Q | L Davis | 2 | 6 | 6 | |||||||||||||||||||
| 6 | M Doi | 1 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | E Bouchard | 6 | 3 | 3 | |||||||||||||||||||||||
| D Allertová | 3 | 6 | 6 | D Allertová | 3 | 77 | 6 | ||||||||||||||||||||
| Q | T Smitková | 6 | 6 | Q | T Smitková | 6 | 64 | 3 | |||||||||||||||||||
| S Cîrstea | 3 | 3 | D Allertová | 0 | 4 | ||||||||||||||||||||||
 Y Wickmayer | 0 | 6 | 3 | 3 | K Bertens | 6 | 6 | ||||||||||||||||||||
 AK Schmiedlová | 6 | 1 | 6 | AK Schmiedlová | 3 | 1 | |||||||||||||||||||||
| A Beck | 4 | 4 | 3 | K Bertens | 6 | 6 | |||||||||||||||||||||
| 3 | K Bertens | 6 | 6 | 3 | K Bertens | 3 | 3 | ||||||||||||||||||||
| 5 | L Siegemund | 2 | 2 | M Niculescu | 6 | 6 | |||||||||||||||||||||
| WC |  F Schiavone | 6 | 6 | WC | F Schiavone | 6 | 5 | 4 | |||||||||||||||||||
| K Flipkens | 4 | 2 | M Niculescu | 3 | 7 | 6 | |||||||||||||||||||||
| M Niculescu | 6 | 6 | M Niculescu | w/o | |||||||||||||||||||||||
| S Lisicki | 6 | 3 | 6 | 2 | C Wozniacki | ||||||||||||||||||||||
 V Golubic | 3 | 6 | 2 | S Lisicki | 6 | 2 | 3 | ||||||||||||||||||||
| M Brengle | 2 | 2 | 2 | C Wozniacki | 3 | 6 | 6 | ||||||||||||||||||||
| 2 | C Wozniacki | 6 | 6 | ||||||||||||||||||||||||
Kristýna Plíšková (qualified) Lauren Davis (qualified) Carina Witthöft (qualified) Stefanie Vögele (first round, retired) Alison Van Uytvanck (first round) Patricia Maria Țig (qualifying competition) Julia Boserup (second round) Rebecca Šramková (first round)| First round | Second round | Qualifying competition | ||||||||||||||||||
| 1 | Kristýna Plíšková | 6 | 6 | |||||||||||||||||
| WC | Laura Correia | 2 | 2 | |||||||||||||||||
| 1 | Kristýna Plíšková | 6 | 77 | |||||||||||||||||
| Isabella Shinikova | 4 | 63 | ||||||||||||||||||
| WC | Nicole Melichar | 6 | 4 | 66 | ||||||||||||||||
| Isabella Shinikova | 4 | 6 | 78 | |||||||||||||||||
| 1 | Kristýna Plíšková | 7 | 3 | 6 | ||||||||||||||||
 Tara Moore | 5 | 6 | 3 | |||||||||||||||||
| Tara Moore | 6 | 4 | 6 | |||||||||||||||||
| Susanne Celik | 4 | 6 | 4 | |||||||||||||||||
| Tara Moore | 6 | 7 | ||||||||||||||||||
| Daniela Hantuchová | 4 | 5 | ||||||||||||||||||
| Daniela Hantuchová | 1 | 6 | 6 | |||||||||||||||||
| 5 | Alison Van Uytvanck | 6 | 3 | 2 | ||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 2 | Lauren Davis | 6 | 6 | |||||||||||||||||
| WC | Eléonora Molinaro | 0 | 2 | |||||||||||||||||
| 2 | Lauren Davis | 6 | 6 | |||||||||||||||||
 Kathinka von Deichmann | 3 | 3 | ||||||||||||||||||
| Kathinka von Deichmann | 0 | 6 | 6 | |||||||||||||||||
| Antonia Lottner | 6 | 2 | 3 | |||||||||||||||||
| 2 | Lauren Davis | 6 | 3 | 7 | ||||||||||||||||
| Tamara Korpatsch | 2 | 6 | 5 | |||||||||||||||||
| Tamara Korpatsch | 6 | 5 | 6 | |||||||||||||||||
 Montserrat González | 1 | 7 | 1 | |||||||||||||||||
| Tamara Korpatsch | 4 | 6 | 6 | |||||||||||||||||
 Dalila Jakupović | 6 | 3 | 1 | |||||||||||||||||
| Dalila Jakupović | 4 | 6 | 6 | |||||||||||||||||
| 8 | Rebecca Šramková | 6 | 4 | 1 | ||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 3 | Carina Witthöft | 6 | 6 | |||||||||||||||||
| Karen Barritza | 2 | 0 | ||||||||||||||||||
| 3 | Carina Witthöft | 6 | 6 | |||||||||||||||||
| Myrtille Georges | 3 | 2 | ||||||||||||||||||
| Martina Trevisan | 63 | 5 | ||||||||||||||||||
| Myrtille Georges | 77 | 7 | ||||||||||||||||||
| 3 | Carina Witthöft | 6 | 6 | |||||||||||||||||
| 6 | Patricia Maria Țig | 1 | 3 | |||||||||||||||||
 Polina Monova | 1 | 1 | ||||||||||||||||||
| Michaela Hončová | 6 | 6 | ||||||||||||||||||
| Michaela Hončová | 3 | 0 | ||||||||||||||||||
| 6 | Patricia Maria Țig | 6 | 6 | |||||||||||||||||
| Alt |  Ilona Kremen | 4 | 5 | |||||||||||||||||
| 6 | Patricia Maria Țig | 6 | 7 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 4 | Stefanie Vögele | 0 | 0r | |||||||||||||||||
| Elise Mertens | 6 | 3 | ||||||||||||||||||
| Elise Mertens | 5 | 0 | ||||||||||||||||||
| Caitlin Whoriskey | 7 | 6 | ||||||||||||||||||
| Caitlin Whoriskey | 6 | 6 | ||||||||||||||||||
| WC | Claudia Coppola | 0 | 3 | |||||||||||||||||
| Caitlin Whoriskey | 5 | 2 | ||||||||||||||||||
| Tereza Smitková | 7 | 6 | ||||||||||||||||||
| Tereza Smitková | 6 | 77 | ||||||||||||||||||
| Greetje Minnen | 4 | 63 | ||||||||||||||||||
| Tereza Smitková | 77 | 6 | ||||||||||||||||||
| 7 | Julia Boserup | 65 | 0 | |||||||||||||||||
| Jesika Malečková | 6 | 4 | 61 | |||||||||||||||||
| 7 | Julia Boserup | 2 | 6 | 77 | ||||||||||||||||
Agnieszka Radwańska was the defending champion, but lost 6–0, 6–3 in the semifinals to the eventual champion Serena Williams.
Nadia Petrova was the defending champion, but withdrew with a left hip injury before the tournament began.
Victoria Azarenka was the defending champion, but lost to Andrea Petkovic in the first round.
Serena Williams was the defending champion, but lost to her sister Venus in the semifinals.
Simona Halep was the defending champion, but lost in the second round to Magdaléna Rybáriková.
Agnieszka Radwańska was the defending champion, but lost in the quarterfinals to Simona Halep.
Petra Kvitová was the defending champion, and successfully defended her title, defeating compatriot and fourth seed Lucie Šafářová in the final 6–7(6–8), 6–2, 6–2.
Serena Williams was the defending champion and successfully defended her title, defeating Simona Halep in the final, 6–3, 7–6(7–5).
Angelique Kerber was the defending champion and successfully defended her title, defeating Laura Siegemund in the final, 6–4, 6–0.
Anastasia Pavlyuchenkova was the defending champion, but lost in the quarterfinals to Dominika Cibulková.
Karolína Plíšková was the defending champion, but lost in the semifinals to Garbiñe Muguruza.
Petra Kvitová was the defending champion, but lost in the first round to Peng Shuai.
Laura Siegemund was the defending champion, but lost in the second round to CoCo Vandeweghe.
Elina Svitolina was the two-time defending champion, but lost in the semifinals to Belinda Bencic.
Bianca Andreescu won her first WTA Tour title, defeating Angelique Kerber in the final, 6–4, 3–6, 6–4. Andreescu became the first wildcard to win the title in the tournament's history and the youngest Indian Wells champion since Serena Williams in 1999. This also marked the second year in a row where a player won the tournament without having won a WTA singles title prior.
Ashleigh Barty won her first Miami Open title, beating Karolína Plíšková 7–6(7–1), 6–3 in the singles tennis final. As a result of this victory, she entered the top 10 in the WTA Rankings for the first time. Sloane Stephens was the defending champion, but lost in the third round to Tatjana Maria.
Petra Kvitová was the two-time defending champion, but withdrew with an arm injury before the tournament began.
Caroline Wozniacki was the defending champion, but lost to Naomi Osaka in the semifinals.
Elise Mertens was the defending champion, but lost in the second round to Yulia Putintseva.
Petra Kvitová won her second title at the Qatar Open, defeating Garbiñe Muguruza in the singles final, 6–2, 6–1, in a rematch of the 2018 final. Kvitová dropped just one set the entire tournament, to Anett Kontaveit in the quarterfinals.