Ground: Hardcourt outdoor
| ITF Turkey F33 | 2014/09/25 09:40 | Ramkumar Ramanathan v Katsuki Nagao | 6-2,7-5 |
| ITF Turkey F33 | 2014/09/24 07:00 | Issam Haitham Taweel v Katsuki Nagao | 3-6,3-6 |
| ITF Turkey F33 | 2014/09/22 07:00 | Katsuki Nagao v Soichiro Moritani | 6-4,6-2 |
| ITF Turkey F33 | 2014/09/21 07:00 | Katsuki Nagao v Polat Gulcur | 6-0,6-1 |
| ITF Turkey F32 | 2014/09/18 08:30 | Katsuki Nagao v Duckhee Lee | 6-4,2-6,3-6 |
| ITF Turkey F32 | 2014/09/17 09:00 | Shonigmatjon Shofayziyev v Katsuki Nagao | 4-6,2-6 |
| ITF Japan F8 | 2014/06/27 01:00 | Katsuki Nagao v Yoshihito Nishioka | 0-6,4-6 |
| ITF Japan F7 | 2014/06/19 01:00 | Katsuki Nagao v Yohei Ono | 5-7,5-7 |
| ITF Turkey F34 | 2014/09/27 07:00 | Keisuke Watanuki v Pavel Shchaya-Zubrov | 6-0,6-4 |
| ITF Turkey F32 | 2014/09/17 11:20 | Keisuke Watanuki v Antoine Bellier | 1-6,3-6 |
| ITF Turkey F31 | 2014/09/10 08:30 | Keisuke Watanuki v Nicolaas Scholtz | 3-6,1-6 |
| ITF Turkey F31 | 2014/09/08 07:30 | Keisuke Watanuki v Ren Nakamura | 6-3,6-0 |
| ITF Japan F8 | 2014/06/27 01:00 | Keisuke Watanuki v Arata Onozawa | 3-6,4-6 |
| ITF Japan F8 | 2014/06/26 04:35 | Masaki Sasai v Keisuke Watanuki | 3-6,1-6 |
| ITF Japan F8 | 2014/06/24 01:00 | Keisuke Watanuki v Masato Shiga | 6-4,6-2 |
| ITF Japan F7 Qual | 2014/06/14 00:30 | Keisuke Watanuki v Masayoshi Ono | 6-2,6-3 |