Stadium: Court 6 Round: 25 Ground: Clay
| ITF Japan F8 | 2018/06/11 00:00 | Masayoshi Ono v Yutaro Matsuzaki | 6-2,6-2 |
| ITF Japan F8 | 2018/06/09 04:45 | Masaki Sasai v Masayoshi Ono | 5-7,4-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Yasunori Hashikawa v Masayoshi Ono | 6-2,4-6,4-6 |
| ITF Japan F7 Qual | 2018/06/03 01:00 | Yuichiro Inui v Masayoshi Ono | 7-5,6-2 |
| ITF Czech Republic F1 | 2018/05/12 09:00 | Adam Blecha v Masayoshi Ono | 6-3,6-2 |
| ITF Sweden F1 Qual | 2018/05/05 08:00 | Masayoshi Ono v Simon Yitbarek | 2-6,6-4,4-6 |
| ITF Japan F6 Qual | 2018/04/09 02:45 | Aoran Wang v Masayoshi Ono | 3-6,6-2,6-2 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Masayoshi Ono v Ken Onoda | 6-2,6-4 |
| 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 Nigeria F2 Qual | 2018/04/21 09:00 | Kazuma Kawachi v Dustin Goldenberg | 1-6,6-1,6-0 |
| ITF Nigeria F1 | 2018/04/16 10:00 | Kazuma Kawachi v Maximilian Neuchrist | 4-6,4-6 |
| ITF Japan F5 | 2018/04/02 04:00 | Chuhan Wang v Kazuma Kawachi | 6-4,6-3 |