Stadium: Court 1 Round: 27 Ground: Clay
| Challenger Yokkaichi MD | 2019/08/06 09:00 | Ratiwatana/Ratiwatana v Shimizu/Tajima | 6-3,6-4 |
| ITF M25 Nonthaburi MD | 2019/07/24 08:00 | Shimizu/Tajima v Fayziev/Fomin | 7-5,3-6,8-10 |
| ITF M15 Tsukuba MD | 2019/03/28 07:55 | Hsu/Imai v Shimizu/Tajima | 6-2,6-2 |
| ITF M15 Tsukuba MD | 2019/03/27 06:30 | Whitehouse/Zarichanskiy v Shimizu/Tajima | 4-6,4-6 |
| ITF M15 Nishi-Tokyo MD | 2019/03/14 04:00 | Nam/Song v Shimizu/Tajima | 6-1,6-7,11-9 |
| ITF M15 Nishi-Tokyo MD | 2019/03/13 08:25 | Ochi/Tanuma v Shimizu/Tajima | 3-6,3-6 |