Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| Challenger - Newport Beach | 2019/01/23 22:20 | Collin Altamirano v Victor Estrella Burgos | 7-5,6-2 |
| Challenger - Pune | 2018/11/20 09:50 | Collin Altamirano v Lucas Gerch | 3-6,1-6 |
| Challenger Bangalore | 2018/11/13 05:30 | Collin Altamirano v Mukund Sasikumar | 6-7,3-6 |
| Challenger - Charlottesville | 2018/10/30 22:10 | Marcos Giron v Collin Altamirano | 6-4,6-4 |
| Challenger - Calgary | 2018/10/18 01:20 | Collin Altamirano v Filip Peliwo | 7-5,6-7,1-6 |
| Challenger - Calgary | 2018/10/15 18:40 | Jay Clarke v Collin Altamirano | 5-7,0-6 |
| Challenger - Fairfield | 2018/10/10 22:20 | Alex Bolt v Collin Altamirano | 7-6,6-7,7-6 |
| Challenger Stockton | 2018/09/29 22:20 | Collin Altamirano v Isaiah Strode | 4-6,0-6 |
| Challenger - Newport Beach | 2019/01/23 21:25 | Dustin Brown v Alafia Ayeni | 6-7,6-3,6-3 |
| Challenger - Newport Beach | 2019/01/22 18:00 | Dustin Brown v Marcelo Arevalo | 4-6,6-4,6-4 |
| Australian Open | 2019/01/10 23:00 | Lloyd Harris v Dustin Brown | 6-1,7-6 |
| Australian Open | 2019/01/09 23:00 | Marcelo Arevalo v Dustin Brown | 6-2,4-6,2-6 |
| Australian Open | 2019/01/08 01:55 | Dustin Brown v Carlos Berlocq | 3-6,6-1,7-5 |
| Challenger - Noumea | 2019/01/03 04:10 | Dustin Brown v Gregoire Barrere | 3-6,3-6 |
| Challenger - Noumea | 2019/01/02 01:10 | Stephane Robert v Dustin Brown | 3-6,6-3,0-6 |
| Challenger - Noumea | 2018/12/31 07:00 | Dustin Brown v Hugo Grenier | 6-4,6-4 |