Round: 25 Ground: Hardcourt outdoor
| ITF Giappone F3 | 2017/03/19 01:00 | Collin Johns v Takuya Komura | 6-2,6-2 |
| ITF Giappone F3 | 2017/03/18 06:00 | Collin Johns v Keigo Shimizu | 6-4,6-1 |
| ITF Giappone F3 | 2017/03/18 00:30 | Collin Johns v Yohei Ono | 7-5,6-2 |
| ITF Giappone F2 | 2017/03/13 01:00 | Collin Johns v Koichi Sano | 5-7,6-4,4-6 |
| ITF Giappone F1 | 2017/03/04 01:00 | Collin Johns v Yohei Ono | 3-6,6-4,5-7 |
| ITF USA F9 | 2017/02/27 16:00 | Ricardo Rodriguez-Pace v Collin Johns | 6-2,7-6 |
| ITF USA F9 | 2017/02/26 16:00 | Ty Trombetta v Collin Johns | 6-2,1-6,4-6 |
| ITF USA F9 | 2017/02/25 15:00 | Mac Kiger v Collin Johns | 1-6,2-6 |
| Challenger Yokohama - Qual. | 2017/02/25 04:25 | Yusuke Watanuki v Evgeny Karlovskiy | 3-6,6-7 |
| Challenger Kyoto - Qual. | 2017/02/19 02:10 | Yusuke Watanuki v Prajnesh Gunneswaran | 2-6,4-6 |
| Challenger Kyoto - Qual. | 2017/02/18 01:00 | Yusuke Watanuki v Renta Tokuda | 6-4,4-6,6-1 |
| Challenger Launceston - Qual. | 2017/02/05 02:10 | Bradley Mousley v Yusuke Watanuki | 6-3,6-2 |
| Challenger Launceston - Qual. | 2017/02/04 03:15 | Oliver Casey v Yusuke Watanuki | 5-7,4-6 |
| Challenger Burnie Qual. | 2017/01/28 01:45 | Luca Margaroli v Yusuke Watanuki | 7-6,6-2 |
| Challenger Canberra | 2017/01/09 00:55 | Yusuke Watanuki v Denis Shapovalov | 7-6,4-6,4-6 |
| Challenger Canberra - Qual. | 2017/01/07 23:00 | Yusuke Watanuki v Alexander Babanine | 4-6,6-3,6-3 |