Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF USA F2 | 2018/01/12 18:00 | Alex Rybakov v Collin Altamirano | 2-6,6-1,2-6 |
| ITF M25 Los Angeles | 2020/01/08 22:00 | Alex Rybakov v Govind Nanda | 6-4,6-4 |
| Challenger Charlottesville | 2019/10/28 17:35 | Michael Mmoh v Alex Rybakov | 7-6,7-6 |
| ITF M25 Waco | 2019/10/20 15:50 | Michael Geerts v Alex Rybakov | 7-5,3-6,7-6 |
| ITF M25 Waco | 2019/10/19 18:30 | Alex Rybakov v Jordi Arconada | 7-6,6-3 |
| ITF M25 Waco | 2019/10/18 16:00 | Alex Rybakov v Ben Patael | 6-2,6-3 |
| ITF M25 Waco | 2019/10/17 16:00 | Colin Sinclair v Alex Rybakov | 1-6,5-7 |
| ITF M25 Waco | 2019/10/16 18:00 | Alex Rybakov v Jonathan Gray | 6-1,7-5 |
| Challenger Fairfield | 2019/10/08 17:00 | Jack Draper v Alex Rybakov | 6-1,2-6,7-5 |
| 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 M15 Austin | 2019/11/20 18:50 | Collin Altamirano v Michael Shabaz | 7-5,6-2 |
| Challenger Houston | 2019/11/13 17:50 | Collin Altamirano v Adrian Menendez-Maceiras | 4-6,0-6 |
| Challenger Houston | 2019/11/11 21:10 | Gage Brymer v Collin Altamirano | 2-6,6-7 |