Ground: Hardcourt outdoor
| ITF - Japan F1 | 2015/03/11 01:00 | Jarryd Chaplin v Ko Suzuki | 6-4,6-4 |
| ITF - Taiwan F1 | 2014/08/27 02:00 | Kento Takeuchi v Ko Suzuki | 6-0,6-4 |
| ITF - Taiwan F1 | 2014/08/20 02:00 | Takuto Niki v Ko Suzuki | 6-4,6-0 |
| ITF - Thailand F9 | 2014/07/07 05:35 | Vishnu Vardhan v Ko Suzuki | 7-6,6-4 |
| ITF - Thailand F10 | 2014/07/03 04:50 | Ti Chen v Ko Suzuki | 6-3,6-3 |
| ITF - Thailand F10 | 2014/07/02 07:30 | Ko Suzuki v Kittiphong Wachiramanowong | 6-3,7-6 |
| ITF - Thailand F10 | 2014/07/01 07:05 | Ko Suzuki v Chaleechan Tanasugarn | 6-1,6-3 |
| ITF - Thailand F10 | 2014/06/26 03:00 | Ko Suzuki v Pruchya Isarow | 4-6,4-6 |
| ITF - Japan F2 | 2015/03/15 01:00 | Yohei Ono v Soichiro Moritani | 6-2,2-6,2-6 |
| ITF - Japan F2 | 2015/03/14 00:30 | Soichiro Moritani v Keisuke Watanuki | 6-4,6-2 |
| ITF - Japan F1 | 2015/03/10 01:00 | Masaki Sasai v Soichiro Moritani | 6-1,7-5 |
| ITF - Türkei F6 | 2015/02/09 11:35 | Mohamed Shabib v Soichiro Moritani | 6-2,6-4 |
| ITF - Türkei F6 | 2015/02/08 08:00 | Aoran Wang v Soichiro Moritani | 3-6,4-6 |
| ITF - Türkei F5 | 2015/02/02 12:00 | Sami Reinwein v Soichiro Moritani | 6-3,6-1 |
| ITF - Türkei F5 | 2015/02/02 07:30 | Florian Jakob v Soichiro Moritani | 1-6,1-6 |
| ITF - Türkei F33 | 2014/09/22 07:00 | Katsuki Nagao v Soichiro Moritani | 6-4,6-2 |