Ground: Hardcourt outdoor
| ITF Japan F3 | 2015/03/23 01:00 | Takashi Saito v Jarryd Chaplin | 7-6,3-6,7-6 |
| ITF Japan F3 | 2015/03/22 01:00 | Takashi Saito v Yutaro Matsuzaki | 6-0,6-3 |
| ITF Japan F3 | 2015/03/21 01:00 | Takashi Saito v Yusei Fukuoka | 6-1,6-0 |
| ITF Japan F1 | 2015/03/11 06:20 | Takashi Saito v Yunseong Chung | 5-7,4-6 |
| ITF Tunisia F5 | 2015/02/13 09:00 | Oriol Roca Batalla v Takashi Saito | 7-6,6-4 |
| ITF Tunisia F5 | 2015/02/12 08:30 | Takashi Saito v Erik Crepaldi | 6-4,7-6 |
| ITF Tunisia F5 | 2015/02/10 10:35 | Yassine Idmbarek v Takashi Saito | 3-6,6-1,0-6 |
| ITF Tunisia F5 | 2015/02/04 09:50 | Takashi Saito v Marko Tepavac | 2-6,7-5,4-6 |
| ITF Japan F2 | 2015/03/20 03:00 | Takuto Niki v Masaki Sasai | 7-5,6-3 |
| ITF Japan F2 | 2015/03/17 04:10 | Masaki Sasai v Arata Onozawa | 6-4,6-4 |
| ITF Japan F2 | 2015/03/15 01:00 | Masaki Sasai v Issei Okamura | 6-3,6-0 |
| ITF Japan F1 | 2015/03/12 01:00 | Takuto Niki v Masaki Sasai | 6-2,6-1 |
| ITF Japan F1 | 2015/03/10 01:00 | Masaki Sasai v Soichiro Moritani | 6-1,7-5 |
| ITF Japan F8 | 2014/06/26 04:35 | Masaki Sasai v Keisuke Watanuki | 3-6,1-6 |
| ITF Japan F8 | 2014/06/25 01:00 | Takuto Niki v Masaki Sasai | 3-6,1-6 |
| ITF Japan F8 | 2014/06/22 03:00 | Masaki Sasai v Tetsuro Habusawa | 6-1,6-0 |