| ITF M15 Tokyo | 07/08 01:00 | 54 | Ryota Tanuma v Ryotaro Shimomura | 6-2,4-6,10-7 | |
| ITF M15 Tokyo | 07/01 01:00 | 54 | Taiyo Yamanaka v Ryotaro Shimomura | 6-3,6-2 | |
| ITF M15 Tsukuba | 03/27 04:15 | 25 | Ryotaro Shimomura v Daisuke Sumizawa | 6-4,3-6,4-6 | |
| ITF M15 Tsukuba | 03/24 01:00 | 54 | Ryotaro Shimomura v Naoki Tajima | 6-3,1-6,10-5 |