| 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 - Kobiety | 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 - Kobiety | 09/04 16:00 | 25 | [11] Petra Kvitova v Maria Sakkari [18] | 4-6,3-6 | |
| US Open - Kobiety | 09/02 17:30 | 24 | [11] Petra Kvitova v Kristyna Pliskova [115] | 7-6,6-2 | |
| US Open - Kobiety | 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 | |
| Olimpiada 2020 - Kobiety | 07/26 05:10 | 25 | [13] Petra Kvitova v Alison Van Uytvanck [59] | 7-5,3-6,0-6 | |
| Olimpiada 2020 - Kobiety | 07/25 07:30 | 24 | [13] Petra Kvitova v Jasmine Paolini [92] | 6-4,6-3 | |
| WTA Praga | 07/12 13:25 | 25 | [12] Petra Kvitova v Rebecca Sramkova [226] | 6-7,6-3,4-6 | |
| Wimbledon - Kobiety | 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 - Kobiety | 06/03 09:00 | 24 | Elena Vesnina v Petra Kvitova | Walkover | |
| French Open - Kobiety | 05/30 11:25 | 23 | [125] Greet Minnen v Petra Kvitova [12] | 7-6,6-7,1-6 |
Petra Kvitová (ur. 8 marca 1990 w Bílovcu) – czeska tenisistka, mistrzyni Wimbledonu 2011 i 2014 w grze pojedynczej, triumfatorka Mistrzostw WTA 2011 i WTA Elite Trophy 2016 w grze pojedynczej, zdobywczyni Pucharu Federacji 2011, 2012, 2014, 2015 i 2016 oraz Pucharu Hopmana 2012, brązowa medalistka igrzysk olimpijskich w Rio de Janeiro, wiceliderka rankingu WTA.