Round: 45 Ground: Hardcourt outdoor
| Challenger Kobe | 2018/11/10 03:25 | Yuichi Ito v Issei Okamura | 4-6,7-6,3-6 |
| ITF Thailand F4 | 2018/09/26 02:30 | Sidharth Rawat v Yuichi Ito | 6-4,6-4 |
| ITF Thailand F4 | 2018/09/25 06:00 | Yuichi Ito v Daisuke Sumizawa | 6-2,6-3 |
| ITF Thailand F3 | 2018/09/05 04:00 | Yuichi Ito v Takashi Saito | 2-6,6-4,3-6 |
| ITF Thailand F3 | 2018/09/04 04:20 | Yuichi Ito v Masayoshi Ono | 7-6,6-3 |
| ITF Thailand F2 | 2018/08/28 05:35 | Thanapet Chanta v Yuichi Ito | 6-4,6-4 |
| ITF Korea F5 | 2018/08/21 03:00 | Yuichi Ito v Chan-Yeong Oh | 7-6,6-7,3-6 |
| ITF Malaysia F3 | 2018/07/17 02:00 | Yuichi Ito v Lance-Pierre Du Toit | 2-6,6-4,3-6 |
| ITF Japan F4 | 2018/03/27 01:00 | Tung-Lin Wu v Ryuki Matsuda | 6-0,6-2 |
| ITF Turkey F8 | 2018/02/25 07:30 | Ryuki Matsuda v Cengiz Aksu | 2-6,1-6 |
| ITF Turkey F8 | 2018/02/24 07:00 | Alexandros Dinopoulos v Ryuki Matsuda | 2-6,1-6 |
| ITF Turkey F6 | 2018/02/13 09:50 | Anil Yuksel v Ryuki Matsuda | 6-1,6-4 |
| ITF Turkey F6 | 2018/02/12 07:00 | Ryuki Matsuda v Koray Kirci | 6-3,6-1 |
| ITF Turkey F6 | 2018/02/11 06:00 | Bogdan Borza v Ryuki Matsuda | 4-6,4-6 |
| ITF Turkey F6 | 2018/02/10 09:00 | Gustavs Lukstins v Ryuki Matsuda | 0-6,1-6 |