Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Rancho Santa Fe | 2020/01/15 17:30 | Collin Altamirano v Lucas Gomez | 6-0,2-6,6-2 |
| ITF M25 Los Angeles | 2020/01/10 18:00 | Alexander Ritschard v Collin Altamirano | 6-1,3-6,6-3 |
| ITF M25 Los Angeles | 2020/01/09 20:45 | Alex Rybakov v Collin Altamirano | 6-3,3-6,4-6 |
| ITF M25 Los Angeles | 2020/01/07 20:50 | Roy Smith v Collin Altamirano | 7-6,1-6,4-6 |
| ITF M15 Austin | 2019/11/24 16:50 | Collin Altamirano v Jacob Fearnley | 4-6,6-4,6-4 |
| ITF M15 Austin | 2019/11/23 18:30 | Collin Altamirano v Ruan Roelofse | 6-4,4-6,6-2 |
| ITF M15 Austin | 2019/11/22 17:00 | Collin Altamirano v Hady Habib | 6-3,6-1 |
| ITF M15 Austin | 2019/11/21 18:25 | Collin Altamirano v Preston Brown | 6-2,6-0 |
| ITF M25 Rancho Santa Fe | 2020/01/15 21:55 | Alafia Ayeni v Sebastian Fanselow | 3-6,2-6 |
| ITF M25 Rancho Santa Fe | 2020/01/14 18:55 | Sebastian Fanselow v Alexander Lebedev | 7-5,2-6,10-3 |
| ITF M25 Los Angeles | 2020/01/08 18:30 | Alexander Ritschard v Sebastian Fanselow | 6-3,6-0 |
| Challenger Houston | 2019/11/11 22:00 | Nick Chappell v Sebastian Fanselow | 6-1,3-6,7-6 |
| ITF M25 Malibu | 2019/11/07 20:15 | Alejandro Gomez v Sebastian Fanselow | 6-4,7-6 |
| ITF M25 Malibu | 2019/11/06 17:00 | Alexandre Rotsaert v Sebastian Fanselow | 5-7,3-6 |
| Challenger Playford 2 | 2019/10/29 02:20 | Sebastian Fanselow v Yosuke Watanuki | 6-7,2-6 |
| Challenger Playford 2 | 2019/10/28 02:05 | Sebastian Fanselow v Cameron Green | 6-4,7-6 |