Stadion: Court E Round: 62 Ground: Hardcourt outdoor
| ITF - Türkei F8 | 2018/02/24 09:30 | Keisuke Numajiri v Ivan Davydov | 1-6,7-6,5-7 |
| ITF - Türkei F7 | 2018/02/17 06:30 | Bogdan Bobrov v Keisuke Numajiri | 6-3,6-2 |
| ITF - Vietnam F3 | 2017/11/21 06:10 | Sho Katayama v Keisuke Numajiri | 6-4,6-4 |
| ITF - Vietnam F3 | 2017/11/20 04:00 | Lawrence Bataljin v Keisuke Numajiri | 6-4,2-6,6-3 |
| ITF - Vietnam F2 | 2017/11/12 04:00 | Jakub Paul v Keisuke Numajiri | 6-7,6-4,6-1 |
| ITF - Malaysia F3 | 2017/10/29 00:00 | Yuichi Ito v Keisuke Numajiri | 6-4,6-2 |
| ITF - Malaysia F3 | 2017/10/28 01:00 | Keisuke Numajiri v Alex Hunt | 6-0,6-1 |
| ITF - Malaysia F2 | 2017/10/22 01:00 | Tyler Lu v Keisuke Numajiri | 6-3,5-7,6-4 |
| ITF - Japan F1 | 2018/03/03 05:30 | Kazuki Shimizu v Masaki Sasai | 3-6,2-6 |
| Challenger - Toyota - Qualifikation | 2017/11/11 02:15 | Chu-Huan Yi v Masaki Sasai | 4-6,6-3,6-4 |
| ITF - Thailand F8 - Qualifikation | 2017/10/08 06:20 | Masaki Sasai v Clement Larriere | 3-6,3-6 |
| ITF - Thailand F8 - Qualifikation | 2017/10/07 03:00 | Masaki Sasai v Yu-Chang Wang | 6-0,6-2 |
| ITF - Thailand F7 - Qualifikation | 2017/10/02 02:30 | Clement Larriere v Masaki Sasai | 6-1,4-6,6-4 |
| ITF - Thailand F7 - Qualifikation | 2017/10/01 02:30 | Yu-Chang Wang v Masaki Sasai | 3-6,0-6 |
| ITF - Thailand F5 - Qualifikation | 2017/08/07 05:35 | Masaki Sasai v Arata Onozawa | 6-7,1-6 |
| ITF - Thailand F5 - Qualifikation | 2017/08/06 06:40 | David Agung Susanto v Masaki Sasai | 3-6,6-7 |