| US Open - Dames | 08/30 15:00 | 24 | [5] Petra Kvitova v Yafan Wang [90] | 7-5,6-3 | |
| US Open - Dames | 08/28 15:00 | 23 | [5] Petra Kvitova v Yanina Wickmayer [94] | 6-1,6-4 | |
| WTA New Haven | 08/23 23:00 | 27 | [30] Carla Suarez Navarro v Petra Kvitova [5] | Retired | |
| WTA New Haven | 08/23 00:20 | 26 | [62] Zarina Diyas v Petra Kvitova [5] | 1-6,7-5,2-6 | |
| WTA New Haven | 08/20 23:00 | 25 | [39] Agnieszka Radwanska v Petra Kvitova [5] | 1-6,6-7 | |
| WTA - Cincinnati | 08/18 16:00 | 28 | [6] Petra Kvitova v Kiki Bertens [17] | 6-3,4-6,2-6 | |
| WTA - Cincinnati | 08/17 19:05 | 27 | [6] Petra Kvitova v Elise Mertens [14] | 7-5,5-7,6-3 | |
| WTA - Cincinnati | 08/16 19:00 | 26 | [6] Petra Kvitova v Kristina Mladenovic [57] | 6-4,6-2 | |
| WTA - Cincinnati | 08/15 00:30 | 25 | [6] Petra Kvitova v Serena Williams [27] | 6-3,2-6,6-3 | |
| WTA - Montreal | 08/09 20:30 | 26 | [18] Kiki Bertens v Petra Kvitova [8] | 6-3,6-2 | |
| WTA - Montreal | 08/07 17:35 | 25 | [30] Anett Kontaveit v Petra Kvitova [8] | 3-6,4-6 | |
| Wimbledon - Dames | 07/03 14:00 | 23 | [50] Aliaksandra Sasnovich v Petra Kvitova [7] | 6-4,4-6,6-0 | |
| WTA - Eastbourne | 06/27 11:30 | 26 | Agnieszka Radwanska v Petra Kvitova | Walkover | |
| WTA - Eastbourne | 06/26 12:10 | 25 | [89] Kateryna Bondarenko v Petra Kvitova [8] | 5-7,3-6 | |
| WTA - Birmingham | 06/24 12:30 | 29 | [19] Magdalena Rybarikova v Petra Kvitova [8] | 6-4,1-6,2-6 | |
| WTA - Birmingham | 06/23 12:35 | 28 | [8] Petra Kvitova v Mihaela Buzarnescu [30] | 6-3,6-2 | |
| WTA - Birmingham | 06/22 13:45 | 27 | [13] Julia Goerges v Petra Kvitova [8] | 1-6,4-6 | |
| WTA - Birmingham | 06/21 10:30 | 26 | [25] Daria Gavrilova v Petra Kvitova [8] | 2-6,2-6 | |
| WTA - Birmingham | 06/19 14:25 | 25 | [22] Johanna Konta v Petra Kvitova [8] | 3-6,4-6 | |
| French Open - Dames | 06/02 09:00 | 25 | [8] Petra Kvitova v Anett Kontaveit [24] | 6-7,6-7 | |
| French Open - Dames | 05/30 09:00 | 24 | [8] Petra Kvitova v Lara Arruabarrena [91] | 6-0,6-4 | |
| French Open - Dames | 05/28 09:00 | 23 | [8] Petra Kvitova v Veronica Cepede Royg [87] | 3-6,6-1,7-5 | |
| WTA - Rome | 05/14 09:00 | - | Petra Kvitova v Johanna Konta | Cancelled | |
| WTA - Madrid | 05/12 16:30 | 29 | [10] Petra Kvitova v Kiki Bertens [20] | 7-6,4-6,6-3 | |
| WTA - Madrid | 05/11 18:00 | 28 | [6] Karolina Pliskova v Petra Kvitova [10] | 6-7,3-6 | |
| WTA - Madrid | 05/10 20:05 | 27 | [15] Daria Kasatkina v Petra Kvitova [10] | 4-6,0-6 | |
| WTA - Madrid | 05/09 14:10 | 26 | [10] Petra Kvitova v Anett Kontaveit [29] | 6-7,6-3,6-3 | |
| WTA - Madrid | 05/08 10:00 | 25 | [10] Petra Kvitova v Monica Puig [65] | 6-3,7-6 | |
| WTA - Madrid | 05/06 16:05 | 24 | [10] Petra Kvitova v Lesia Tsurenko [38] | 6-1,6-2 | |
| WTA - Praag | 05/05 09:00 | 29 | [37] Mihaela Buzarnescu v Petra Kvitova [10] | 6-4,2-6,3-6 |
Petra Kvitová (Bílovec, 8 maart 1990) is een professioneel tennisspeelster uit Tsjechië. Zij is linkshandig en heeft een tweehandige backhand. Zij is actief in het proftennis sinds 2006.
In de periode 2007–2018 maakte Kvitová deel uit van het Tsjechische Fed Cup-team – zij behaalde daar een winst/verlies-balans van 30–11. Vijfmaal zat zij in het team dat de beker won: in 2011, 2012, 2014, 2015 en 2016.