| ITF Chinese Taipei F1 | 2014/08/27 02:00 | Kento Takeuchi v Ko Suzuki | 6-0,6-4 |
| ITF Japan F2 | 2014/03/19 01:00 | Kento Takeuchi v Ko Suzuki | 6-3,6-3 |
| ITF Japan F6 Qual | 2015/06/07 01:00 | Ko Suzuki v Kento Tanaka-Tamaki | 6-2,6-3 |
| ITF Guam F1 | 2015/05/30 04:20 | Gengo Kikuchi v Ko Suzuki | 6-2,6-3 |
| ITF Guam F1 | 2015/05/29 05:10 | Ko Suzuki v Sho Katayama | 6-3,4-6,6-2 |
| ITF Guam F1 | 2015/05/28 00:00 | Koichi Sano v Ko Suzuki | 2-6,1-6 |
| ITF Japan F3 | 2015/03/23 01:00 | Ko Suzuki v Jeamoon Lee | 3-6,0-6 |
| ITF Japan F3 | 2015/03/21 04:00 | Ko Suzuki v Ryotaro Matsumura | 6-0,6-1 |
| ITF Japan F2 | 2015/03/17 05:25 | Ko Suzuki v Soichiro Moritani | 6-3,3-6,2-6 |
| ITF Japan F1 | 2015/03/11 01:00 | Jarryd Chaplin v Ko Suzuki | 6-4,6-4 |
| ITF Japan F6 | 2015/06/09 07:45 | Yuichi Ito v Kento Takeuchi | 2-6,0-6 |
| ITF China F6 | 2015/05/30 02:00 | Duckhee Lee v Kento Takeuchi | 6-1,6-4 |
| ITF China F6 | 2015/05/27 02:00 | Yecong He v Kento Takeuchi | 3-6,0-6 |
| ITF China F6 | 2015/05/26 03:45 | Shi Hong Zeng v Kento Takeuchi | 4-6,2-6 |
| ITF Thailand F9 | 2015/05/07 03:00 | Kento Takeuchi v Jacob Grills | 3-6,2-6 |
| ITF Thailand F9 | 2015/05/06 03:00 | Kento Takeuchi v Pruchya Isarow | 6-2,6-3 |
| ITF Thailand F9 | 2015/05/05 03:00 | Kento Takeuchi v Ren Nakamura | 6-2,6-0 |
| ITF Thailand F9 | 2015/04/25 03:00 | Akira Santillan v Kento Takeuchi | 6-3,6-2 |