Stadium: Porsche Arena Round: 28
| WTA St. Petersburg | 2018/02/03 11:00 | Julia Goerges v Petra Kvitova | 5-7,6-4,2-6 |
| WTA Charleston | 2018/04/08 20:45 | Kiki Bertens v Julia Goerges | 6-2,6-1 |
| WTA Charleston | 2018/04/07 17:00 | Julia Goerges v Anastasija Sevastova | 7-6,6-3 |
| WTA Charleston | 2018/04/06 15:00 | Julia Goerges v Daria Kasatkina | 6-4,6-3 |
| WTA Charleston | 2018/04/05 15:00 | Julia Goerges v Naomi Osaka | 7-6,6-3 |
| WTA Charleston | 2018/04/04 14:00 | Julia Goerges v Kristie Ahn | 2-6,6-4,7-6 |
| WTA Miami | 2018/03/22 19:05 | Julia Goerges v Carina Witthoeft | 6-7,6-4,4-6 |
| WTA Indian Wells | 2018/03/12 23:40 | Anastasija Sevastova v Julia Goerges | 6-3,6-3 |
| WTA Indian Wells | 2018/03/10 20:35 | Natalia Vikhlyantseva v Julia Goerges | 4-6,1-6 |
| WTA Charleston | 2018/04/04 18:50 | Kristyna Pliskova v Petra Kvitova | 1-6,6-1,6-3 |
| WTA Miami | 2018/03/27 01:45 | Jelena Ostapenko v Petra Kvitova | 7-6,6-3 |
| WTA Miami | 2018/03/25 23:30 | Sofia Kenin v Petra Kvitova | 6-3,2-6,4-6 |
| WTA Miami | 2018/03/23 16:20 | Aryna Sabalenka v Petra Kvitova | 5-7,6-3,3-6 |
| WTA Indian Wells | 2018/03/11 18:00 | Petra Kvitova v Amanda Anisimova | 2-6,4-6 |
| WTA Indian Wells | 2018/03/09 19:00 | Petra Kvitova v Yulia Putintseva | 6-7,7-6,6-4 |
| WTA Doha | 2018/02/18 15:00 | Petra Kvitova v Garbine Muguruza | 3-6,6-3,6-4 |
| WTA Doha | 2018/02/17 16:00 | Caroline Wozniacki v Petra Kvitova | 6-3,6-7,5-7 |