| ITF Japan F6 Qual | 2015/06/07 03:30 | Kishi, Ryota v Iino, Shota | 7-5,3-6,6-3 |
| ITF Japan F5 | 2015/06/01 01:00 | Kishi, Ryota v Ren Nakamura | 6-3,6-4 |
| ITF Guam F1 | 2015/05/25 02:05 | Onoda, Ken v Kishi, Ryota | 2-6,6-2,7-5 |
| ITF Japan F2 | 2015/03/15 02:00 | Kishi, Ryota v Kaito Uesugi | 1-6,6-4,2-6 |
| ITF Japan F1 | 2015/03/08 01:00 | Kishi, Ryota v Matsuo, Yuki | 3-6,2-6 |
| ITF Japan F1 | 2015/03/07 03:00 | Kishi, Ryota v Inoue, Haru | 7-5,6-3 |
| ITF Tunisia F5 | 2015/02/04 08:30 | Gianluca Mager v Kishi, Ryota | 6-3,6-2 |
| ITF Tunisia F5 | 2015/01/28 12:25 | Kishi, Ryota v Petrovic, Danilo | 3-6,6-7 |
| ITF Japan F6 Qual | 2015/06/07 05:00 | Sano, Koichi v Numajiri, Keisuke | 6-0,4-6,6-1 |
| ITF Japan F5 | 2015/06/02 03:15 | Oku, Hiromasa v Sano, Koichi | 6-4,3-6,6-2 |
| ITF Guam F1 | 2015/05/28 00:00 | Sano, Koichi v Ko Suzuki | 2-6,1-6 |
| ITF Guam F1 | 2015/05/26 03:40 | Matias Franco Descotte v Sano, Koichi | 2-6,6-7 |
| ITF Japan F6 Qual | 2014/06/09 03:00 | Watanuki, Keisuke v Sano, Koichi | 6-4,6-0 |
| ITF Japan F6 Qual | 2014/06/07 00:00 | Fukuoka, Yusei v Sano, Koichi | 0-6,2-6 |
| ITF Japan F5 | 2014/06/03 02:30 | Sano, Koichi v Kibi, Yuya | 4-6,2-6 |
| ITF Guam F1 | 2014/05/27 02:45 | Nedunchezhiyan, Jeevan v Sano, Koichi | 6-2,6-4 |