Stadium: Court 2 Round: 24 Ground: Hardcourt outdoor
| Challenger Fairfield | 2019/10/07 18:00 | Brandon Holt v Collin Altamirano | 6-2,6-2 |
| Challenger Tiburon | 2019/09/23 20:30 | JC Aragone v Collin Altamirano | 6-2,7-6 |
| Challenger Kaohsiung | 2019/09/16 09:00 | Teymuraz Gabashvili v Collin Altamirano | 6-3,5-7,6-4 |
| Challenger Shanghai | 2019/09/13 04:35 | Di Wu v Collin Altamirano | 6-4,6-0 |
| 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 Fairfield | 2019/10/12 18:00 | Christopher O'Connell v Kevin King | 6-3,7-6 |
| Challenger Fairfield | 2019/10/11 19:05 | Peter Polansky v Kevin King | 3-6,6-7 |
| Challenger Fairfield | 2019/10/10 18:40 | Kevin King v Denis Kudla | 6-2,6-3 |
| Challenger Fairfield | 2019/10/09 18:15 | Ernesto Escobedo v Kevin King | 5-7,4-6 |
| Challenger Fairfield | 2019/10/08 17:00 | Kevin King v Altug Celikbilek | 6-4,6-3 |
| ITF M25 Norman | 2019/10/05 17:45 | Kevin King v Hugo Gaston | 3-6,3-6 |
| ITF M25 Norman | 2019/10/04 15:00 | Evan Zhu v Kevin King | 3-6,2-6 |
| ITF M25 Norman | 2019/10/03 18:00 | Alexander Cozbinov v Kevin King | 1-6,0-6 |