Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| Challenger Seoul | 2017/05/13 03:35 | Duckhee Lee v Soonwoo Kwon | 3-6,0-6 |
| Challenger Seoul | 2017/05/10 04:25 | Vasek Pospisil v Duckhee Lee | 6-2,6-7,6-7 |
| Challenger Seoul | 2017/05/09 04:00 | Duckhee Lee v Shuichi Sekiguchi | 6-0,6-3 |
| Challenger Gimcheon | 2017/05/04 06:00 | Thomas Fabbiano v Duckhee Lee | 6-3,6-2 |
| Challenger Gimcheon | 2017/05/02 05:55 | Tatsuma Ito v Duckhee Lee | 6-4,3-6,4-6 |
| Challenger Taipei | 2017/04/17 11:20 | Ramkumar Ramanathan v Duckhee Lee | 2-6,6-2,6-4 |
| ATP Marrakech Qual | 2017/04/09 13:40 | Gianluigi Quinzi v Duckhee Lee | 6-2,6-3 |
| ATP Marrakech Qual | 2017/04/08 14:00 | Alexander Zhurbin v Duckhee Lee | 3-6,1-6 |
| Challenger Seoul | 2017/05/12 07:15 | Soonwoo Kwon v Alexander Sarkissian | 6-7,6-4,6-3 |
| Challenger Seoul | 2017/05/11 02:00 | Austin Krajicek v Alexander Sarkissian | 1-6,2-6 |
| Challenger Seoul | 2017/05/10 01:30 | Alexander Sarkissian v Daniel Nguyen | 6-3,6-4 |
| Challenger Gimcheon Qual | 2017/05/01 02:00 | Alexander Sarkissian v Liam Broady | 2-6,7-6,3-6 |
| Challenger Gimcheon Qual | 2017/04/30 01:00 | Alexander Sarkissian v Lucas Miedler | 6-2,7-6 |
| Challenger Gimcheon Qual | 2017/04/29 03:15 | Alexander Sarkissian v Sung Hun Kim | 6-1,6-2 |
| ITF USA F12 | 2017/04/06 18:40 | Takanyi Garanganga v Alexander Sarkissian | 7-5,6-3 |
| ITF USA F12 | 2017/04/05 15:00 | Luca Gelhardt v Alexander Sarkissian | 2-6,1-6 |