Stadium: Stadium Round: 1 Ground: Hardcourt indoor
| WTA Hong Kong WD | 2018/10/10 13:05 | Stosur/Zhang v Kato/Ninomiya | 6-4,7-6 |
| WTA Hong Kong WD | 2018/10/08 10:30 | Ng/Svitolina v Kato/Ninomiya | 1-6,3-6 |
| WTA Beijing WD | 2018/09/29 10:30 | Kichenok/Srebotnik v Kato/Ninomiya | 7-6,6-4 |
| WTA Wuhan WD | 2018/09/25 10:10 | Hsieh/Mattek-Sands v Kato/Ninomiya | 6-2,6-2 |
| WTA Tokyo WD | 2018/09/22 07:00 | Hlavackova/Strycova v Kato/Ninomiya | 4-6,4-6 |
| WTA Tokyo WD | 2018/09/21 05:00 | Kato/Ninomiya v Dabrowski/Wu | 7-6,6-0 |
| WTA Tokyo WD | 2018/09/20 04:15 | Kato/Ninomiya v Kichenok/Srebotnik | 6-4,2-6,10-7 |
| WTA Tokyo WD | 2018/09/19 04:45 | Kobori/Shimizu v Kato/Ninomiya | 4-6,3-6 |
| WTA Zhuhai WD | 2018/10/30 04:30 | Kichenok/Kichenok v Jiang/Yang | 7-6,3-6,11-9 |
| WTA San Jose WD | 2018/08/05 19:00 | Chan/Peschke v Kichenok/Kichenok | 6-4,6-1 |
| WTA San Jose WD | 2018/08/05 00:00 | Kichenok/Kichenok v Buzarnescu/Watson | 6-4,3-6,10-8 |
| WTA San Jose WD | 2018/08/03 04:05 | Blinkova/Dzalamidze v Kichenok/Kichenok | 6-1,2-6,6-10 |
| WTA San Jose WD | 2018/08/02 03:20 | Christian/Santamaria v Kichenok/Kichenok | 6-4,3-6,7-10 |
| 2018 Fed Cup | 2018/02/11 03:55 | Barty/Dellacqua v Kichenok/Kichenok | 6-3,6-4 |
| WTA Taipei WD | 2018/02/02 08:00 | Chang/Chuang v Kichenok/Kichenok | 2-6,6-4,11-9 |
| WTA Taipei WD | 2018/01/31 11:25 | Chan/Liang v Kichenok/Kichenok | 2-6,4-6 |