Stadium: Court 5 Round: 26 Ground: Hardcourt indoor
| Challenger Columbus | 2019/06/12 18:10 | Duckhee Lee v Mcnally, John | 6-3,7-5 |
| Challenger - Little Rock | 2019/06/08 21:00 | Duckhee Lee v Darian King | 6-0,6-0 |
| Challenger - Little Rock | 2019/06/08 16:35 | Duckhee Lee v Mitchell Krueger | 4-6,6-3,6-1 |
| Challenger - Little Rock | 2019/06/07 21:00 | Zhizhen Zhang v Duckhee Lee | 4-6,7-6,6-7 |
| Challenger - Little Rock | 2019/06/05 15:00 | Arconada, Jordi v Duckhee Lee | 1-6,4-6 |
| Challenger - Gwangju | 2019/05/15 03:40 | Duckhee Lee v Yunseong Chung | 4-6,2-6 |
| Challenger - Busan | 2019/05/09 04:40 | Ricardas Berankis v Duckhee Lee | 6-3,3-6,6-3 |
| Challenger - Busan | 2019/05/08 04:50 | Duckhee Lee v Sugita, Yuichi | 5-7,6-3,7-6 |
| Challenger Columbus | 2019/06/12 16:35 | Matias Franco Descotte v Sela, Dudi | 3-6,3-6 |
| Challenger - Little Rock | 2019/06/08 20:40 | Sela, Dudi v Thai-Son Kwiatkowski | 6-3,7-6 |
| Challenger - Little Rock | 2019/06/08 15:00 | Shane, Ryan v Sela, Dudi | 3-6,1-6 |
| Challenger - Little Rock | 2019/06/07 17:00 | Alexander Ritschard v Sela, Dudi | 4-6,6-4,3-6 |
| Challenger - Little Rock | 2019/06/05 15:00 | Song, Evan v Sela, Dudi | 3-6,4-6 |
| Jerusalem, Israel | 2019/05/22 12:30 | Sela, Dudi v Petrovic, Danilo | 3-6,6-7 |
| Challenger - Gwangju | 2019/05/19 03:25 | Jason Jung v Sela, Dudi | 6-4,6-2 |
| Challenger - Gwangju | 2019/05/18 02:00 | Sela, Dudi v Soonwoo Kwon | 6-4,7-5 |