Stadium: Center
| US Pro Tennis Series West Coast | 2020/06/11 20:20 | Ernesto Escobedo v Collin Altamirano | 5-7,2-6 |
| US Pro Tennis Series West Coast | 2020/06/10 17:25 | Gage Brymer v Collin Altamirano | 2-6,2-6 |
| US Pro Tennis Series West Coast | 2020/06/09 17:40 | Brandon Holt v Collin Altamirano | 3-6,1-6 |
| US Pro Tennis Series West Coast | 2020/06/08 21:05 | Collin Altamirano v Christian Langmo | 6-3,1-6,6-10 |
| US Pro Tennis Series West Coast | 2020/06/07 16:00 | Collin Altamirano v Nick Chappell | 6-3,6-0 |
| Challenger Monterrey | 2020/03/03 23:20 | Jason Jung v Collin Altamirano | 7-6,6-7,7-6 |
| Challenger Monterrey | 2020/03/02 18:40 | Oscar Jose Gutierrez v Collin Altamirano | 3-6,4-6 |
| Challenger Calgary | 2020/02/26 20:40 | Collin Altamirano v Arthur Rinderknech | 6-3,3-6,3-6 |
| US Pro Tennis Series West Coast | 2020/06/11 20:20 | Joshua Ortlip v William Griffith | 2-6,5-7 |
| US Pro Tennis Series West Coast | 2020/06/10 20:35 | Christian Langmo v William Griffith | 7-6,1-6,4-10 |
| ITF M15 Heraklion | 2020/03/04 11:05 | Lucas Catarina v William Griffith | 6-2,6-0 |
| ITF M15 Heraklion | 2020/03/03 08:30 | William Griffith v Matt Kuhar | 6-1,6-0 |
| ITF M15 Heraklion | 2020/02/20 14:30 | Antonio Cayetano March v William Griffith | 6-4,1-6,6-2 |
| ITF M15 Heraklion | 2020/02/19 08:30 | William Griffith v Alexander Erler | 7-6,6-1 |
| ITF M15 Heraklion | 2020/02/18 08:00 | William Griffith v Simon Beaupain | 6-2,6-3 |
| ITF M15 Heraklion | 2020/02/17 11:00 | Valentin Guenther v William Griffith | 3-6,1-6 |