stadio: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF Giappone F5 | 2016/04/05 02:00 | Ryota Tanuma v Yuya Kibi | 4-6,2-6 |
| ITF Giappone F1 | 2016/03/10 02:40 | Ryota Tanuma v Yuya Kibi | 4-6,3-6 |
| ITF Giappone F1 | 2018/03/08 03:10 | Takuto Niki v Yuya Kibi | 6-3,7-5 |
| ITF Giappone F1 | 2018/03/06 02:00 | Yuya Kibi v Kaito Uesugi | 7-6,4-6,6-3 |
| Challenger Kyoto | 2018/02/20 05:35 | Yuya Kibi v Hubert Hurkacz | 5-7,3-6 |
| Challenger Kyoto - Qual. | 2018/02/19 03:30 | Luke Saville v Yuya Kibi | 3-6,3-6 |
| Challenger Kyoto - Qual. | 2018/02/18 04:25 | Tung-Lin Wu v Yuya Kibi | 6-2,1-6,1-6 |
| Challenger Kyoto - Qual. | 2018/02/17 06:10 | Yuya Kibi v Shuichi Sekiguchi | 6-3,6-2 |
| Challenger Bangkok | 2018/01/09 04:55 | Mats Moraing v Yuya Kibi | 6-2,6-2 |
| Challenger Bangkok - Qual. | 2018/01/08 03:00 | Daniiar Duldaev v Yuya Kibi | 2-6,2-6 |
| Challenger Yokohama - Qual. | 2018/02/24 02:45 | Zhe Li v Ryota Tanuma | 5-7,6-1,6-2 |
| Challenger Kyoto - Qual. | 2018/02/18 01:00 | Ryota Tanuma v Shinta Fujii | 3-6,5-7 |
| Challenger Kyoto - Qual. | 2018/02/17 01:00 | Ryota Tanuma v Kazuma Kawachi | 6-3,6-0 |
| ITF Cina F3 | 2018/01/24 03:00 | Ryota Tanuma v Ivan Nedelko | 3-6,5-7 |
| ITF Cina F3 | 2018/01/22 05:55 | Tyler Lu v Ryota Tanuma | 3-6,3-6 |
| ITF Cina F2 | 2018/01/17 05:10 | Yan Bai v Ryota Tanuma | 1-6,7-5,6-2 |
| ITF Cina F2 | 2018/01/16 02:00 | Ryota Tanuma v Shao-Fan Liu | 6-2,6-1 |
| ITF Maschile - Cina F1 | 2018/01/12 04:10 | Ryota Tanuma v Huixin Wang | 6-7,3-6 |