Stadium: Court 17 Round: 23 Ground: Hardcourt outdoor
| WTA New Haven | 2018/08/23 00:20 | Zarina Diyas v Petra Kvitová | 1-6,7-5,2-6 |
| WTA New Haven | 2018/08/20 23:00 | Agnieszka Radwanska v Petra Kvitová | 1-6,6-7 |
| WTA - Cincinnati | 2018/08/18 16:00 | Petra Kvitová v Kiki Bertens | 6-3,4-6,2-6 |
| WTA - Cincinnati | 2018/08/17 19:05 | Petra Kvitová v Elise Mertens | 7-5,5-7,6-3 |
| WTA - Cincinnati | 2018/08/16 19:00 | Petra Kvitová v Kristina Mladenovic | 6-4,6-2 |
| WTA - Cincinnati | 2018/08/15 00:30 | Petra Kvitová v Serena Williams | 6-3,2-6,6-3 |
| WTA - Montreal | 2018/08/09 20:30 | Kiki Bertens v Petra Kvitová | 6-3,6-2 |
| WTA - Montreal | 2018/08/07 17:35 | Anett Kontaveit v Petra Kvitová | 3-6,4-6 |
| ITF Women Vancouver | 2018/08/16 18:55 | Rebecca Marino v Yanina Wickmayer | 7-5,7-5 |
| ITF Women Vancouver | 2018/08/15 18:40 | Julia Glushko v Yanina Wickmayer | 4-6,6-7 |
| WTA Montreal Qual | 2018/08/04 22:45 | Caroline Dolehide v Yanina Wickmayer | 6-3,6-4 |
| Wimbledon - ženy | 2018/07/06 13:00 | Yanina Wickmayer v Donna Vekic | 6-7,1-6 |
| Wimbledon - ženy | 2018/07/04 10:30 | Andrea Petkovic v Yanina Wickmayer | 4-6,3-6 |
| Wimbledon - ženy | 2018/07/02 10:30 | Mona Barthel v Yanina Wickmayer | 5-7,4-6 |
| WTA - Nottingham | 2018/06/12 16:15 | Yanina Wickmayer v Katie Boulter | 4-6,4-6 |
| ITF Women Surbiton | 2018/06/08 10:00 | Yanina Wickmayer v Harriet Dart | 2-6,6-3,0-6 |