Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF Guam F1 | 2018/06/19 04:30 | Yuichi Ito v Daisuke Sumizawa | 6-3,4-6,6-3 |
| 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 Malaysia F2 | 2018/07/10 02:00 | Yuichi Ito v Michail Pervolarakis | 2-6,2-6 |
| ITF Guam F1 | 2018/06/24 00:00 | Yuta Shimizu v Yuichi Ito | 6-3,6-2 |
| ITF Guam F1 | 2018/06/23 02:10 | Thomas Fancutt v Yuichi Ito | 6-7,4-6 |
| ITF Thailand F4 | 2018/09/24 02:30 | Daisuke Sumizawa v Worarin Kumthonkittikul | 6-7,6-2,6-1 |
| ITF Thailand F4 | 2018/09/23 04:00 | Roy Hobbs v Daisuke Sumizawa | 4-6,2-6 |
| ITF Korea F6 | 2018/08/28 02:00 | Oh-Hee Kwon v Daisuke Sumizawa | 6-1,6-4 |
| ITF China F13 | 2018/08/21 02:00 | Daisuke Sumizawa v Huixin Wang | 4-6,6-2,2-6 |
| ITF China F13 | 2018/08/20 02:00 | Daisuke Sumizawa v Lewei Cai | 6-4,6-1 |
| ITF China F13 | 2018/08/19 02:00 | Daisuke Sumizawa v Yong Jia Cai | 6-1,6-3 |
| ITF China F12 | 2018/08/14 03:30 | Daisuke Sumizawa v Rhett Purcell | 6-2,0-6,4-6 |
| ITF China F12 Qual | 2018/08/13 02:00 | Daisuke Sumizawa v Winter Meagher | 6-4,0-6,6-0 |