Round: 62 Ground: Hardcourt outdoor
| Challenger Kobe - Qual. | 2017/11/04 03:40 | Yosuke Watanuki v Itsuki Matsumoto | 6-4,6-3 |
| ITF Spagna F31 | 2017/09/26 09:00 | Itsuki Matsumoto v Sergio Barranco | 3-6,4-6 |
| Challenger Kyoto - Qual. | 2018/02/17 01:00 | Zhe Li v Ryota Kishi | 6-3,6-1 |
| ITF Vietnam F3 | 2017/11/21 06:15 | Ryota Kishi v Nathan Pasha | 2-6,2-6 |
| ITF Vietnam F3 | 2017/11/20 03:00 | Ryota Kishi v Moerani Bouzige | 6-2,6-4 |
| ITF Vietnam F2 | 2017/11/12 03:00 | Ryota Kishi v Nitin Kumar Sinha | 1-6,0-6 |
| ITF Vietnam F2 | 2017/11/11 04:00 | Ryota Kishi v Cheong Hwi Kim | 7-5,6-1 |
| ITF Malesia F3 | 2017/10/29 03:30 | Ryota Kishi v Aoran Wang | 3-6,2-6 |
| ITF Malesia F3 | 2017/10/28 04:30 | Ryota Kishi v Medhir Goyal | 6-2,6-0 |
| ITF Malesia F2 | 2017/10/25 01:00 | Ryota Kishi v Vinayak Sharma Kaza | 6-7,2-6 |