Round: 44 Ground: Hardcourt outdoor
| ITF Japan F1 | 2018/03/03 01:00 | Hashikawa, Yasunori v Kurita, Kenta | 6-2,6-4 |
| ITF Mexico F8 | 2017/12/03 17:00 | Douglas, Jake v Kurita, Kenta | 6-4,4-6,6-2 |
| ITF Mexico F7 | 2017/11/25 16:00 | Shamma, Nicholas v Kurita, Kenta | 6-0,6-3 |
| ITF Mexico F6 | 2017/11/18 16:00 | Kurita, Kenta v Rosas-Zarur, Raul-Isaias | 4-6,1-6 |
| ITF Guam F1 | 2017/06/17 23:00 | Reyes, Nicholas Alexander v Kurita, Kenta | 4-6,6-3,7-5 |
| ITF Guam F1 | 2017/06/16 23:00 | Kurita, Kenta v Camacho, Camden | 6-1,6-3 |
| ITF Japan F8 | 2017/06/10 04:00 | Kurita, Kenta v Kazuki Nishiwaki | 1-6,5-7 |
| ITF Japan F3 | 2017/03/18 03:00 | Ehara, Hiroyasu v Kurita, Kenta | 6-1,6-0 |
| ITF Japan F2 | 2018/03/13 04:45 | Saito, Takashi v Naoki Nakagawa | 4-6,6-3,1-6 |
| ITF Japan F1 | 2018/03/10 02:00 | Saito, Takashi v Wishaya Trongcharoenchaikul | 4-6,7-5,4-6 |
| ITF Japan F1 | 2018/03/08 03:10 | Ito, Yuichi v Saito, Takashi | 2-6,4-6 |
| ITF Japan F1 | 2018/03/07 01:00 | Saito, Takashi v Makoto Ochi | 6-3,2-6,6-4 |
| ITF Japan F1 | 2018/03/05 01:00 | Saito, Takashi v Matsumoto, Itsuki | 6-3,6-4 |
| ITF Japan F1 | 2018/03/03 03:00 | Saito, Takashi v Tamaki Yamao | 7-6,6-4 |
| ITF Hong Kong F6 | 2018/01/03 03:30 | Viola, Matteo v Saito, Takashi | 4-6,6-2,6-4 |
| ITF Hong Kong F6 | 2018/01/01 02:00 | Sou, Ming Chun Alan v Saito, Takashi | 2-6,1-6 |