Stadium: Court 2 Round: 28 Ground: Hardcourt outdoor
| WTA Guadalajara WD | 2019/03/14 01:25 | Kato/Ninomiya v Fichman/Jani | 6-4,3-6,10-4 |
| WTA Guadalajara WD | 2019/03/13 02:45 | Kato/Ninomiya v Arruabarrena/Kania | 6-2,4-6,10-6 |
| WTA Indian Wells WD | 2019/03/08 19:00 | Kato/Ninomiya v Atawo/Srebotnik | 3-6,1-6 |
| WTA Dubai WD | 2019/02/19 11:15 | Kato/Ninomiya v Hsieh/Strycova | 3-6,2-6 |
| WTA Dubai WD | 2019/02/17 09:45 | Han/Niculescu v Kato/Ninomiya | 3-6,1-6 |
| WTA Doha WD | 2019/02/13 16:00 | Groenefeld/Schuurs v Kato/Ninomiya | 6-4,6-3 |
| 2019 Fed Cup | 2019/02/10 07:20 | Kato/Ninomiya v Garcia-Perez/Martinez Sanchez | 1-6,3-6 |
| WTA Hua Hin WD | 2019/01/30 09:00 | Kato/Ninomiya v Blinkova/Wang | 2-6,2-6 |
| WTA Guadalajara WD | 2019/03/14 02:00 | Sanchez/Stollar v Danilovic/Kostic | 6-2,7-5 |
| WTA Guadalajara WD | 2019/03/11 23:20 | Blinkova/Panova v Sanchez/Stollar | 4-6,6-7 |