Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| WTA Doha | 2018/02/12 17:35 | Mona Barthel v Agnieszka Radwanska | 6-3,3-6,5-7 |
| Australian Open Women | 2018/01/20 10:45 | Su-Wei Hsieh v Agnieszka Radwanska | 6-2,7-5 |
| Australian Open Women | 2018/01/18 00:00 | Lesia Tsurenko v Agnieszka Radwanska | 6-2,5-7,3-6 |
| Australian Open Women | 2018/01/16 07:55 | Kristyna Pliskova v Agnieszka Radwanska | 6-2,3-6,2-6 |
| WTA Sydney | 2018/01/11 08:10 | Camila Giorgi v Agnieszka Radwanska | 6-1,6-2 |
| WTA Sydney | 2018/01/10 02:00 | Catherine Bellis v Agnieszka Radwanska | 6-7,0-6 |
| WTA Sydney | 2018/01/09 02:00 | Agnieszka Radwanska v Johanna Konta | 6-3,7-5 |
| WTA Auckland | 2018/01/06 00:30 | Agnieszka Radwanska v Sachia Vickery | 2-6,2-6 |
| WTA Doha | 2018/02/13 11:50 | Cagla Buyukakcay v Petra Kvitova | 0-6,3-6 |
| 2018 Fed Cup | 2018/02/11 11:00 | Petra Kvitova v Belinda Bencic | 6-2,6-4 |
| 2018 Fed Cup | 2018/02/10 12:30 | Petra Kvitova v Viktorija Golubic | 6-2,1-6,6-3 |
| WTA St. Petersburg | 2018/02/04 13:30 | Kristina Mladenovic v Petra Kvitova | 1-6,2-6 |
| WTA St. Petersburg | 2018/02/03 11:00 | Julia Goerges v Petra Kvitova | 5-7,6-4,2-6 |
| WTA St. Petersburg | 2018/02/02 13:15 | Petra Kvitova v Jelena Ostapenko | 6-0,6-2 |
| WTA St. Petersburg | 2018/02/01 17:05 | Petra Kvitova v Irina-Camelia Begu | 6-3,1-6,6-1 |
| WTA St. Petersburg | 2018/01/31 12:45 | Elena Vesnina v Petra Kvitova | 2-6,0-6 |