Estadio: Court 2 Round: 24 Ground: Hardcourt outdoor
| Challenger de Baotou | 2019/08/27 07:05 | Tung-Lin Wu v Di Wu | 3-6,6-1,7-5 |
| Challenger de Baotou | 2019/08/26 02:00 | Jacob Grills v Di Wu | 6-7,4-6 |
| Challenger de Chengdu | 2019/08/01 03:00 | Di Wu v Hyeon Chung | 6-7,7-6,3-6 |
| Challenger de Chengdu | 2019/07/30 06:55 | Di Wu v Chuhan Wang | 6-3,6-3 |
| Challenger de Fergana | 2019/06/20 08:35 | Di Wu v Gleb Sakharov | 3-6,6-7 |
| Challenger de Fergana | 2019/06/19 09:25 | Di Wu v Alexander Zhurbin | 6-0,7-6 |
| Challenger de Shymkent 2 | 2019/06/11 04:00 | Di Wu v Andrey Golubev | 2-6,3-6 |
| Challenger Almaty | 2019/06/05 10:15 | Di Wu v Andrej Martin | 0-6,4-6 |
| Challenger de Lexington | 2019/07/31 19:20 | Collin Altamirano v Roy Smith | 4-6,7-6,2-6 |
| Challenger de Binghamton | 2019/07/25 15:55 | Dudi Sela v Collin Altamirano | 6-4,7-5 |
| Challenger de Binghamton | 2019/07/24 14:00 | Collin Altamirano v Jeffrey John Wolf | 6-2,7-5 |
| Challenger de Binghamton | 2019/07/23 16:25 | Lloyd Glasspool v Collin Altamirano | 1-6,6-7 |
| Challenger de Gatineau | 2019/07/15 17:35 | Collin Altamirano v Brandon Holt | 1-6,6-7 |
| Challenger de Winnetka | 2019/07/11 17:25 | Denis Istomin v Collin Altamirano | 6-3,6-0 |
| Challenger de Winnetka | 2019/07/09 16:45 | Collin Altamirano v Thai-Son Kwiatkowski | 6-3,6-0 |
| Challenger de Winnetka | 2019/07/08 16:25 | Collin Altamirano v Martin Redlicki | 6-2,4-6,6-4 |