Ground: Hardcourt outdoor
| ITF Japan F3 | 2015/03/24 03:10 | Takashi Saito v Masaki Sasai | 4-6,6-4,6-4 |
| 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 Japan F3 | 2015/03/24 02:10 | Yusuke Watanuki v Shuichi Sekiguchi | 1-6,3-6 |
| ITF Turkey F2 | 2015/01/17 07:00 | Jose Pereira v Shuichi Sekiguchi | 6-3,7-5 |
| ITF Turkey F1 | 2015/01/11 09:00 | Shuichi Sekiguchi v Hugo Nys | 6-7,6-4,6-3 |
| ITF Turkey F1 | 2015/01/10 08:00 | Alexey Vatutin v Shuichi Sekiguchi | 4-6,6-2,5-7 |
| ITF Turkey F1 | 2015/01/09 08:00 | Jose Pereira v Shuichi Sekiguchi | 4-6,6-3,3-6 |
| ITF Turkey F1 | 2015/01/08 08:00 | Volodymyr Uzhylovskyi v Shuichi Sekiguchi | 3-6,5-7 |
| ITF Thailand F10 | 2014/12/03 07:05 | Phassawit Bura'ritta v Shuichi Sekiguchi | 6-3,6-4 |
| ITF Thailand F10 | 2014/12/01 03:00 | Congsup Congcar v Shuichi Sekiguchi | 0-6,3-6 |