| Challenger Gwangju | 2019/05/13 04:40 | Di Wu v Roy Smith | 2-6,4-6 |
| Challenger Busan | 2019/05/06 07:00 | Di Wu v Roy Smith | 6-3,3-6,6-1 |
| Challenger Monterrey | 2019/04/01 22:45 | Roy Smith v Janko Tipsarevic | 6-7,4-6 |
| Challenger Drummondville | 2019/03/11 18:45 | Michael Redlicki v Roy Smith | 6-1,6-1 |
| Challenger Yokohama | 2019/02/25 02:30 | Kaichi Uchida v Roy Smith | 6-3,6-3 |
| ATP New York | 2019/02/10 21:20 | Ramkumar Ramanathan v Roy Smith | 4-6,6-2,6-4 |
| Challenger Cleveland | 2019/01/30 02:55 | Roy Smith v Donald Young | 6-4,0-6,7-6 |
| Challenger Cleveland | 2019/01/28 18:25 | Roy Smith v Gijs Brouwer | 7-6,6-3 |
| Challenger Busan | 2019/05/08 07:05 | Dudi Sela v Marcos Baghdatis | 6-4,2-6,2-6 |
| Challenger Busan | 2019/05/06 03:55 | Evan Song v Dudi Sela | 6-3,3-6,3-6 |
| Challenger Zhuhai | 2019/03/06 02:00 | Dudi Sela v Raul Brancaccio | 6-4,7-5 |
| Challenger Yokohama | 2019/03/01 02:00 | Yuichi Sugita v Dudi Sela | 2-6,6-4,7-5 |
| Challenger Yokohama | 2019/02/28 02:00 | Blaz Rola v Dudi Sela | 3-6,1-6 |
| Challenger Yokohama | 2019/02/26 06:00 | Luke Saville v Dudi Sela | 2-6,0-6 |
| Challenger Bangkok 1A | 2019/02/23 08:10 | Alejandro Davidovich Fokina v Dudi Sela | 6-7,6-4,6-3 |
| Challenger Bangkok 1A | 2019/02/22 04:00 | Zhe Li v Dudi Sela | 2-6,2-6 |