Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF Guam F1 | 2018/06/19 00:00 | Kazuma Kawachi v Yuichiro Inui | 6-7,6-1,6-2 |
| ITF Japan F8 | 2018/06/14 03:00 | Rimpei Kawakami v Kazuma Kawachi | 6-1,2-6,7-6 |
| ITF Japan F8 | 2018/06/12 01:00 | Masayoshi Ono v Kazuma Kawachi | 4-6,0-6 |
| ITF Japan F7 | 2018/06/05 01:00 | Yuki Mochizuki v Kazuma Kawachi | 6-1,6-2 |
| ITF China F7 | 2018/05/29 03:20 | Aoran Wang v Kazuma Kawachi | 6-2,6-1 |
| ITF Nigeria F3 | 2018/05/01 09:00 | Kazuma Kawachi v Karim-Mohamed Maamoun | 4-6,2-6 |
| ITF Nigeria F3 Qual | 2018/04/29 09:00 | Kazuma Kawachi v Rishabdev Raman | 6-1,7-5 |
| ITF Nigeria F2 Qual | 2018/04/22 10:25 | Kazuma Kawachi v Alexandru Danes | 6-3,3-6,1-6 |
| ITF Guam F1 | 2018/06/18 00:00 | Alec Adamson v Thomas Fancutt | 7-6,1-6,6-7 |
| ITF Japan F8 | 2018/06/13 03:20 | Shinji Hazawa v Thomas Fancutt | 6-1,6-2 |
| Challenger Busan Qual | 2018/05/13 02:00 | Thomas Fancutt v Guillermo Olaso | 1-6,5-7 |
| Challenger Busan Qual | 2018/05/12 01:00 | Thomas Fancutt v Christopher Rungkat | 6-3,6-4 |
| Challenger Gimcheon Qual | 2018/05/05 04:20 | Seong Chan Hong v Thomas Fancutt | 2-6,7-5,6-4 |
| Challenger Seoul Qual | 2018/04/29 03:10 | Yosuke Watanuki v Thomas Fancutt | 6-3,6-0 |
| Challenger Seoul Qual | 2018/04/28 01:30 | Thomas Fancutt v Jaewoo Kim | 6-2,6-3 |
| Challenger Taipei | 2018/04/10 04:00 | Ramkumar Ramanathan v Thomas Fancutt | 7-6,6-7,6-2 |