Stadium: Centre Court Round: 27 Ground: Hardcourt outdoor
| Challenger Jinan | 2019/09/02 04:30 | Di Wu v Collin Altamirano | 6-4,6-4 |
| Challenger Shanghai | 2019/09/12 02:30 | Di Wu v Roberto Ortega-Olmedo | 6-1,5-7,7-6 |
| Challenger Shanghai | 2019/09/10 08:15 | Marc Polmans v Di Wu | 3-6,3-6 |
| Challenger Jinan | 2019/09/05 03:00 | Di Wu v Go Soeda | 2-6,1-6 |
| Challenger Jinan | 2019/09/03 06:30 | Hiroki Moriya v Di Wu | 3-6,5-7 |
| Challenger Jinan | 2019/09/02 04:30 | Di Wu v Collin Altamirano | 6-4,6-4 |
| Challenger Baotou | 2019/08/27 07:05 | Tung-Lin Wu v Di Wu | 3-6,6-1,7-5 |
| Challenger Baotou | 2019/08/26 02:00 | Jacob Grills v Di Wu | 6-7,4-6 |
| Challenger Chengdu | 2019/08/01 03:00 | Di Wu v Hyeon Chung | 6-7,7-6,3-6 |
| Challenger Shanghai | 2019/09/12 04:20 | Collin Altamirano v Tatsuma Ito | 6-3,7-6 |
| Challenger Shanghai | 2019/09/10 04:00 | Aleksandar Vukic v Collin Altamirano | 4-6,6-7 |
| Challenger Shanghai | 2019/09/09 05:45 | Collin Altamirano v Xin Gao | 6-1,6-1 |
| Challenger Jinan | 2019/09/02 04:30 | Di Wu v Collin Altamirano | 6-4,6-4 |
| Challenger Lexington | 2019/07/31 19:20 | Collin Altamirano v Roy Smith | 4-6,7-6,2-6 |
| Challenger Binghamton | 2019/07/25 15:55 | Dudi Sela v Collin Altamirano | 6-4,7-5 |
| Challenger Binghamton | 2019/07/24 14:00 | Collin Altamirano v Jeffrey John Wolf | 6-2,7-5 |
| Challenger Binghamton | 2019/07/23 16:25 | Lloyd Glasspool v Collin Altamirano | 1-6,6-7 |