Stadium: Court 2 Round: 25 Ground: Synthetic outdoor
| ITF Japan F8 | 2017/06/13 01:30 | Rio Noguchi v Masaki Sasai | 1-6,6-4,4-6 |
| ITF Japan F3 | 2018/03/19 04:30 | Rio Noguchi v Shintaro Imai | 6-7,4-6 |
| ITF Japan F3 | 2018/03/18 01:00 | Rio Noguchi v Shunsuke Wakita | 6-3,6-3 |
| ITF Japan F3 | 2018/03/17 02:30 | Rio Noguchi v Yuki Takamura | 4-6,7-5,6-3 |
| ITF Japan F2 | 2018/03/14 01:00 | Rio Noguchi v Shintaro Imai | 3-6,3-6 |
| ITF Japan F2 | 2018/03/13 00:30 | Shinta Fujii v Rio Noguchi | 4-6,2-6 |
| ITF Japan F2 | 2018/03/11 02:30 | Rio Noguchi v Sota Fujii | 6-2,1-6,6-2 |
| ITF Japan F1 | 2018/03/08 05:40 | Rio Noguchi v Daniel Nguyen | 4-6,3-6 |
| ITF Japan F1 | 2018/03/07 04:05 | Sho Shimabukuro v Rio Noguchi | 3-6,4-6 |
| ITF Japan F4 | 2018/03/25 01:00 | Soichiro Moritani v Masaki Sasai | 6-4,6-3 |
| ITF Japan F4 | 2018/03/24 00:00 | Takuya Kumasaka v Masaki Sasai | 3-6,6-4,3-6 |
| ITF Japan F3 | 2018/03/18 01:30 | Issei Okamura v Masaki Sasai | 6-3,6-1 |
| ITF Japan F3 | 2018/03/17 04:00 | Ryohei Tagata v Masaki Sasai | 5-7,6-3,2-6 |
| ITF Japan F2 | 2018/03/12 00:30 | Jack Murray v Masaki Sasai | 6-4,6-3 |
| ITF Japan F1 | 2018/03/07 01:00 | Masaki Sasai v Yuta Shimizu | 5-7,6-7 |
| ITF Japan F1 | 2018/03/06 01:00 | Sho Shimabukuro v Masaki Sasai | 6-7,3-6 |
| ITF Japan F1 | 2018/03/04 03:00 | Keisuke Numajiri v Masaki Sasai | 1-6,6-3,0-6 |