Stadium: 7 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Monastir MD | 2021/09/30 12:55 | Collignon/Ouden v Sumizawa/Tanuma | 7-5,6-1 |
| ITF M15 Monastir MD | 2021/09/28 12:30 | Bathrinath/Nemakal v Sumizawa/Tanuma | 0-6,3-6 |
| ITF M15 Monastir MD | 2021/09/21 12:30 | Iradukunda/Sharipov v Sumizawa/Tanuma | 6-2,6-2 |
| ITF M15 Gimcheon MD | 2019/06/19 05:30 | Mendez/Thirouin v Sumizawa/Tanuma | 7-6,6-4 |
| ITF Romania F12 MD | 2017/08/29 14:00 | Sumizawa/Tanuma v Agamenone/Merino | 4-6,2-6 |