Stadium: Centre Court Round: 29 Ground: Hardcourt outdoor
| WTA Hiroshima WD | 2018/09/14 06:45 | Kato/Ninomiya v Savinykh/Sorribes Tormo | 7-6,6-4 |
| WTA Hiroshima WD | 2018/09/13 07:55 | Kato/Ninomiya v Diyas/Zheng | 5-7,6-2,10-5 |
| WTA Hiroshima WD | 2018/09/13 04:55 | Kato/Ninomiya v Perez/Rodionova | 6-7,6-3,10-6 |
| US Open Women WD | 2018/08/30 15:00 | Kato/Ninomiya v Broady/Collins | 3-6,4-6 |
| WTA Montreal WD | 2018/08/08 16:30 | Kato/Ninomiya v Chan/Makarova | 1-6,3-6 |
| WTA Montreal WD | 2018/08/07 22:10 | Kato/Ninomiya v Kichenok/Rodionova | 7-5,4-6,10-7 |
| WTA San Jose WD | 2018/08/04 22:45 | Chan/Peschke v Kato/Ninomiya | 6-1,6-4 |
| WTA San Jose WD | 2018/08/04 04:05 | Kato/Ninomiya v Garcia-Perez/Hon | 6-4,6-2 |
| WTA Hiroshima WD | 2018/09/15 09:55 | Aoyama/Duan v Hozumi/Zhang | 1-6,4-6 |
| WTA Hiroshima WD | 2018/09/13 07:30 | Adamczak/Moore v Hozumi/Zhang | 4-6,2-6 |
| WTA Hiroshima WD | 2018/09/12 09:00 | Han/Kumkhum v Hozumi/Zhang | 3-6,2-6 |