Round: 25 Ground: Clay
| ITF Japan F7 | 2017/06/06 04:45 | Kishi, Ryota v 카타야마, 쇼 | 2-6,2-6 |
| ITF Japan F6 | 2017/05/29 04:20 | Kishi, Ryota v 키쿠치, 겐고 | 7-6,3-6,2-6 |
| ITF Chinese Taipei F1 | 2016/10/12 02:00 | Kishi, Ryota v 타누마, 리요타 | 3-6,2-6 |
| ITF Korea F8 | 2016/09/06 04:15 | 신, 산후이 v Kishi, Ryota | 6-3,6-2 |
| ITF Korea F7 | 2016/08/29 02:30 | Kishi, Ryota v 충, 훙 | 2-6,7-6,3-6 |
| ITF Spain F26 | 2016/08/17 13:00 | Kishi, Ryota v 자파타 미랄레스, 베르나베 | 1-6,2-6 |
| ITF Spain F26 | 2016/08/16 14:35 | 롬브, 하리슨 v Kishi, Ryota | 6-3,2-6,5-7 |
| ITF Spain F25 | 2016/08/10 10:30 | 알투네도 마르티나바로, 안드레스 v Kishi, Ryota | 6-3,6-4 |
| ITF Japan F8 | 2017/06/12 00:00 | Watanuki, Keisuke v 니시와키, 카즈키 | 6-2,6-2 |
| ITF Japan F8 | 2017/06/10 04:00 | Watanuki, Keisuke v 타카미사와, 타케토 | 4-6,6-2,6-3 |
| ITF Japan F7 | 2017/06/08 01:30 | Watanuki, Keisuke v Takeuchi, Kento (1987) | 3-6,5-7 |
| ITF Japan F6 Qual | 2017/05/29 01:00 | Watanuki, Keisuke v Sakai, Yuto | 6-7,6-7 |
| ITF Japan F6 Qual | 2017/05/28 07:00 | Watanuki, Keisuke v Sakai, Yuto | 6-7,6-7 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Watanuki, Keisuke v Han, Sung Min | 6-4,6-0 |
| ITF Japan F5 | 2017/04/02 01:00 | Sasai, Masaki v Watanuki, Keisuke | 6-2,6-4 |
| ITF Japan F5 | 2017/04/01 02:00 | Yasugami, Takashi v Watanuki, Keisuke | 4-6,6-2,5-7 |