Stadium: Championship Round: 29 Ground: Clay
| Wimbledon Women WD | 2018/07/05 15:00 | Babos/Mladenovic v Hozumi/Kato | 6-4,6-3 |
| Australian Open Women WD | 2018/01/19 02:50 | Atawo/Groenefeld v Hozumi/Kato | 6-1,6-1 |
| Australian Open Women WD | 2018/01/18 00:00 | Adamczak/Sanders v Hozumi/Kato | 3-6,5-7 |
| WTA Auckland WD | 2018/01/06 23:15 | Hozumi/Kato v Errani/Schoofs | 5-7,1-6 |
| WTA Auckland WD | 2018/01/05 02:55 | Hozumi/Kato v Brengle/Melichar | 6-3,6-3 |
| WTA Auckland WD | 2018/01/03 02:15 | Hozumi/Kato v Bonaventure/Golubic | 6-3,6-3 |
| WTA Auckland WD | 2018/01/02 06:00 | Hozumi/Kato v Davis/McHale | 6-4,6-2 |
| ITF Women Suzhou WD | 2017/10/21 07:20 | Hozumi/Kato v Cako/Stojanovic | 6-2,5-7,2-10 |