| WTA - St. Petersburg | 02/10 11:40 | 26 | [56] Irina-Camelia Begu v Petra Kvitova [23] | 6-4,6-0 | |
| WTA - St. Petersburg | 02/08 08:00 | 25 | [118] Jule Niemeier v Petra Kvitova [23] | 2-6,1-6 | |
| Australian Open - Dames | 01/18 00:00 | 23 | [19] Petra Kvitova v Sorana Cirstea [38] | 2-6,2-6 | |
| WTA - Sydney | 01/12 00:00 | 26 | [21] Petra Kvitova v Ons Jabeur [10] | 4-6,4-6 | |
| WTA - Sydney | 01/10 01:40 | 25 | [21] Petra Kvitova v Arantxa Rus [66] | 3-6,7-6,7-5 | |
| WTA - Adelaide | 01/03 08:30 | 25 | [263] Priscilla Hon v Petra Kvitova [17] | 6-7,7-5,6-2 | |
| WTA - Indian Wells | 10/11 01:20 | 25 | [11] Petra Kvitova v Victoria Azarenka [32] | 5-7,4-6 | |
| WTA - Indian Wells | 10/09 01:00 | 24 | [11] Petra Kvitova v Arantxa Rus [68] | 6-2,6-2 | |
| WTA - Ostrava | 09/25 14:10 | 28 | [30] Anett Kontaveit v Petra Kvitova [10] | 6-0,6-4 | |
| WTA - Ostrava | 09/24 16:00 | 27 | [42] Jil Teichmann v Petra Kvitova [10] | 4-6,4-6 | |
| WTA - Ostrava | 09/22 16:00 | 26 | [92] Anastasia Potapova v Petra Kvitova [10] | 1-6,7-6,3-6 | |
| US Open - Dames | 09/04 16:00 | 25 | [11] Petra Kvitova v Maria Sakkari [18] | 4-6,3-6 | |
| US Open - Dames | 09/02 17:30 | 24 | [11] Petra Kvitova v Kristyna Pliskova [115] | 7-6,6-2 | |
| US Open - Dames | 08/31 22:30 | 23 | [11] Petra Kvitova v Polona Hercog [86] | 6-1,6-2 | |
| WTA - Cincinnati | 08/20 17:00 | 27 | [22] Angelique Kerber v Petra Kvitova [11] | Retired | |
| WTA - Cincinnati | 08/19 21:10 | 26 | [11] Petra Kvitova v Ons Jabeur [20] | 6-1,6-2 | |
| WTA - Cincinnati | 08/18 16:00 | 25 | [12] Petra Kvitova v Veronika Kudermetova [33] | 6-2,6-4 | |
| WTA - Cincinnati | 08/16 18:45 | 24 | [12] Petra Kvitova v Madison Keys [26] | 7-5,6-4 | |
| WTA - Montreal | 08/12 19:10 | 26 | [12] Petra Kvitova v Camila Giorgi [71] | 4-6,4-6 | |
| WTA - Montreal | 08/10 18:40 | 25 | [12] Petra Kvitova v Fiona Ferro [84] | 6-4,6-4 | |
| Olympische Spelen 2020 - Dames | 07/26 05:10 | 25 | [13] Petra Kvitova v Alison Van Uytvanck [59] | 7-5,3-6,0-6 | |
| Olympische Spelen 2020 - Dames | 07/25 07:30 | 24 | [13] Petra Kvitova v Jasmine Paolini [92] | 6-4,6-3 | |
| WTA - Praag | 07/12 13:25 | 25 | [12] Petra Kvitova v Rebecca Sramkova [226] | 6-7,6-3,4-6 | |
| Wimbledon - Dames | 06/28 14:50 | 23 | [73] Sloane Stephens v Petra Kvitova [10] | 6-3,6-4 | |
| WTA - Bad Homburg | 06/25 16:00 | 28 | [12] Petra Kvitova v Angelique Kerber [28] | 6-3,4-6,6-7 | |
| WTA - Bad Homburg | 06/25 10:00 | 27 | [12] Petra Kvitova v Nadia Podoroska [39] | 6-3,7-6 | |
| WTA - Bad Homburg | 06/23 17:05 | 26 | [12] Petra Kvitova v Ann Li [70] | 6-2,6-7,6-1 | |
| WTA - Bad Homburg | 06/21 14:30 | 25 | [12] Petra Kvitova v Katarzyna Piter [387] | 4-6,6-1,6-4 | |
| French Open - Dames | 06/03 09:00 | 24 | Elena Vesnina v Petra Kvitova | Walkover | |
| French Open - Dames | 05/30 11:25 | 23 | [125] Greet Minnen v Petra Kvitova [12] | 7-6,6-7,1-6 |
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.