Stadium: Center Court Round: 26 Ground: Hardcourt outdoor
| Challenger Gwangju | 2017/09/19 04:45 | Duckhee Lee v Yuya Kibi | 7-6,6-2 |
| Challenger Shanghai | 2017/09/14 02:30 | Duckhee Lee v Ze Zhang | 3-6,6-7 |
| Challenger Shanghai | 2017/09/12 05:10 | Duckhee Lee v Steven Diez | 6-3,6-3 |
| Challenger Zhangjiagang | 2017/09/05 06:35 | Jason Jung v Duckhee Lee | 6-4,6-1 |
| US Open Qual | 2017/08/24 22:05 | Joris De Loore v Duckhee Lee | 6-4,6-2 |
| US Open Qual | 2017/08/23 21:00 | Duckhee Lee v Gerald Melzer | 6-4,6-3 |
| Challenger Vancouver | 2017/08/15 18:00 | Duckhee Lee v Tennys Sandgren | 5-7,6-7 |
| Challenger Jinan | 2017/08/10 03:00 | Ricardas Berankis v Duckhee Lee | 6-1,6-2 |
| Challenger Gwangju | 2017/09/19 06:40 | Jun Sang Park v Alessandro Bega | 1-6,0-6 |
| Challenger Shanghai | 2017/09/13 04:10 | Alessandro Bega v Matthias Bachinger | 3-6,2-6 |
| Challenger Shanghai | 2017/09/12 02:00 | Marc Polmans v Alessandro Bega | 5-7,0-6 |
| Challenger Zhangjiagang | 2017/09/07 02:35 | Alessandro Bega v Ze Zhang | 2-6,4-6 |
| Challenger Como Qual | 2017/08/26 13:05 | Carlos Taberner v Alessandro Bega | 6-3,6-2 |
| ITF Turkey F30 | 2017/08/20 08:00 | Alessandro Bega v Tsung-Hua Yang | 7-6,3-6,7-5 |
| ITF Turkey F30 | 2017/08/19 08:00 | Alessandro Bega v Viktor Durasovic | 7-6,6-3 |
| ITF Turkey F30 | 2017/08/18 10:00 | Alessandro Bega v Mert Alkaya | 6-1,6-3 |