Estádio: Center Round: 1
| 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 |
| Challenger - Calgary | 2020/02/24 17:40 | Collin Altamirano v Fabrizio Ornago | 6-3,7-6 |
| Challenger - Morelos | 2020/02/17 18:05 | Collin Altamirano v Matias Franco Descotte | 3-6,5-7 |
| Challenger - Cleveland | 2020/02/10 23:00 | Ryan Harrison v Collin Altamirano | 6-4,7-6 |
| Challenger - Newport Beach | 2020/01/27 21:35 | Collin Altamirano v Thai-Son Kwiatkowski | 1-6,3-6 |
| US Pro Tennis Series West Coast | 2020/06/07 18:50 | Christian Langmo v Alec Adamson | 6-3,6-1 |
| ITF - M15 Cancún | 2020/03/11 18:30 | Nick Hardt v Christian Langmo | 4-6,3-6 |
| ITF - M15 Cancún | 2020/02/18 15:45 | Christian Langmo v Igor Marcondes | 3-6,2-6 |
| ITF - M15 Cancún | 2020/02/13 17:20 | Joao Lucas Reis da Silva v Christian Langmo | 6-1,6-7,6-4 |
| ITF - M15 Cancún | 2020/02/12 16:15 | Eduardo Ribeiro v Christian Langmo | 2-6,2-6 |
| ITF - M15 Cancún | 2020/01/30 18:20 | Christian Langmo v Vasil Kirkov | 3-6,4-6 |
| ITF - M15 Cancún | 2020/01/28 14:00 | Felix Corwin v Christian Langmo | 4-6,7-5,3-6 |
| ITF - M15 Cancún | 2020/01/24 15:45 | Christian Langmo v Manuel Pena Lopez | 6-4,6-7,5-7 |