Stadium: Dome Round: 27 Ground: Hardcourt outdoor
| WTA Tokyo WD | 2018/09/19 04:45 | Kobori/Shimizu v Kato M / Ninomiya M | 4-6,3-6 |
| Hiroshima, Japon, Doubles | 2018/09/16 05:15 | Kato M / Ninomiya M v Hozumi E / Zhang S | 2-6,4-6 |
| Hiroshima, Japon, Doubles | 2018/09/14 06:45 | Kato M / Ninomiya M v Savinykh V / Sorribes Tormo S | 7-6,6-4 |
| Hiroshima, Japon, Doubles | 2018/09/13 07:55 | Kato M / Ninomiya M v Diyas Z / Zheng S | 5-7,6-2,10-5 |
| Hiroshima, Japon, Doubles | 2018/09/13 04:55 | Kato M / Ninomiya M v Perez E / Rodionova Ar | 6-7,6-3,10-6 |
| US Open Women WD | 2018/08/30 15:00 | Kato M / Ninomiya M v Broady N / Collins D | 3-6,4-6 |
| WTA Montreal WD | 2018/08/08 16:30 | Kato M / Ninomiya M v Chan L / Makarova E | 1-6,3-6 |
| WTA Montreal WD | 2018/08/07 22:10 | Kato M / Ninomiya M v Kichenok L / Rodionova Ar | 7-5,4-6,10-7 |
| WTA Tokyo WD | 2018/09/19 02:00 | Kichenok L / Srebotnik K v Chan H-C / Yang Z | 6-3,6-4 |
| WTA Tokyo WD | 2017/09/18 03:35 | Kasatkina/Saville v Kichenok L / Srebotnik K | 1-6,7-5,10-7 |
| WTA Tokyo WD | 2017/09/13 06:55 | Mertens E / Soylu I v Kichenok L / Srebotnik K | 7-6,6-3 |