Stadium: Court 1 Round: 54
| Challenger Busan Qual | 2017/05/13 02:00 | Young Seok Kim v Jeamoon Lee | 3-6,3-6 |
| Challenger Gimcheon | 2017/05/02 03:50 | Thomas Fabbiano v Jeamoon Lee | 6-0,6-1 |
| ITF Japan F3 | 2017/03/24 01:00 | Shane Vinsant v Jeamoon Lee | 6-2,7-5 |
| ITF Japan F3 | 2017/03/23 01:30 | Yusuke Takahashi v Jeamoon Lee | 3-6,1-6 |
| ITF Japan F3 | 2017/03/22 04:45 | Jumpei Yamasaki v Jeamoon Lee | 6-7,3-6 |
| ITF Japan F3 | 2017/03/20 04:00 | Jeamoon Lee v Yosuke Watanuki | 6-3,2-6,6-0 |
| ITF Japan F3 | 2017/03/19 01:00 | Jeamoon Lee v Katsuki Nagao | 7-6,6-4 |
| ITF Japan F3 | 2017/03/18 08:00 | Jeamoon Lee v Yusei Fukuoka | 6-1,6-0 |
| Challenger Busan Qual | 2017/05/14 02:00 | Joe Salisbury v Raymond Sarmiento | 2-6,2-6 |
| Challenger Busan Qual | 2017/05/13 03:30 | Ju-Hae Moon v Raymond Sarmiento | 3-6,3-6 |
| Challenger Seoul Qual | 2017/05/07 01:30 | Raymond Sarmiento v Daniel Nguyen | 6-3,6-7,2-6 |
| Challenger Seoul Qual | 2017/05/06 02:40 | Raymond Sarmiento v Yusuke Takahashi | 6-3,6-2 |
| Challenger Gimcheon Qual | 2017/04/29 02:40 | Raymond Sarmiento v Liam Broady | 1-6,3-6 |
| Challenger Taipei Qual | 2017/04/16 05:35 | Raymond Sarmiento v Ruan Roelofse | 3-6,2-6 |
| Challenger Drummondville Qual | 2017/03/13 20:20 | Matthias Bachinger v Raymond Sarmiento | 6-3,6-4 |
| Challenger Drummondville Qual | 2017/03/13 15:35 | Aleksandar Vukic v Raymond Sarmiento | 3-6,6-3,6-7 |