Stadium: Firkins Stadium Round: 45 Ground: Clay
| ITF Japan F5 | 2017/04/04 02:50 | Yusuke Takahashi v Johns, Collin | 6-3,6-1 |
| ITF Japan F4 | 2017/03/28 03:00 | Johns, Collin v Itsusaki, Kaito | 2-6,6-2,4-6 |
| ITF Japan F3 | 2017/03/22 03:35 | Johns, Collin v Watanuki, Yusuke | 3-6,1-6 |
| ITF Japan F3 | 2017/03/19 01:00 | Johns, Collin v Komura, Takuya | 6-2,6-2 |
| ITF Japan F3 | 2017/03/18 06:00 | Johns, Collin v Shimizu, Keigo | 6-4,6-1 |
| ITF Japan F3 | 2017/03/18 00:30 | Johns, Collin v Ono, Yohei | 7-5,6-2 |
| ITF Japan F2 | 2017/03/13 01:00 | Johns, Collin v Sano, Koichi | 5-7,6-4,4-6 |
| ITF Japan F1 | 2017/03/04 01:00 | Johns, Collin v Ono, Yohei | 3-6,6-4,5-7 |
| Challenger Panama City | 2017/04/06 20:00 | Blaz Rola v Dutra Silva, Rogerio | 7-5,4-6,4-6 |
| Challenger Panama City | 2017/04/05 17:00 | Blaz Rola v Mitchell Krueger | 6-4,4-6,7-6 |
| Challenger Panama City | 2017/04/03 16:30 | Stefan Kozlov v Blaz Rola | 1-6,6-7 |
| Drummondville, Canada | 2017/03/17 23:05 | Blaz Rola v Denis Shapovalov | 6-7,4-6 |
| Drummondville, Canada | 2017/03/16 21:40 | Nguyen, Daniel v Blaz Rola | 2-6,1-6 |
| Yokohama, Japan, Qualifying | 2017/02/27 01:00 | Blaz Rola v Soonwoo Kwon | 4-6,4-6 |
| Yokohama, Japan, Qualifying | 2017/02/26 01:00 | Blaz Rola v Evgeny Karlovskiy | 6-2,6-3 |
| Yokohama, Japan, Qualifying | 2017/02/25 05:30 | Blaz Rola v Shintaro Imai | 6-4,6-1 |