Stadium: Court 2 Round: 25 Ground: Clay
| ITF Japan F7 | 2018/06/05 02:45 | Yuga Tashiro v Shinji Hazawa | 7-5,7-6 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Shinji Hazawa v Teppei Uesugi | 6-4,4-6,6-7 |
| ITF Japan F5 | 2018/04/05 02:00 | Shinji Hazawa v Yusuke Takahashi | 5-7,0-6 |
| ITF Japan F5 | 2018/04/04 01:00 | Chuhan Wang v Shinji Hazawa | 5-7,5-7 |
| ITF Japan F5 | 2018/04/02 06:25 | Yuki Mochizuki v Shinji Hazawa | 0-6,0-6 |
| ITF Japan F5 | 2018/04/01 00:30 | Shinji Hazawa v Jie Cui | 5-7,6-2,7-6 |
| ITF Japan F4 | 2018/03/26 01:00 | Shinji Hazawa v Jack Murray | 4-6,5-7 |
| ITF Japan F3 | 2018/03/22 03:00 | Seong Chan Hong v Shinji Hazawa | 7-6,6-3 |
| 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 |
| Challenger Taipei Qual | 2018/04/09 03:00 | Thomas Fancutt v Mukund Sasikumar | 7-6,3-6,6-4 |
| Challenger Taipei Qual | 2018/04/08 04:20 | Antoine Escoffier v Thomas Fancutt | 3-6,6-2,2-6 |