Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 Los Angeles | 2020/01/09 20:45 | Alex Rybakov v Collin Altamirano | 6-3,3-6,4-6 |
| ITF USA F2 | 2018/01/12 18:00 | Alex Rybakov v Collin Altamirano | 2-6,6-1,2-6 |
| ITF M25 Naples | 2024/02/20 16:30 | Collin Altamirano v Oliver Okonkwo | 6-3,6-0 |
| ITF M25 Naples | 2024/02/19 16:00 | Collin Altamirano v Oren Vasser | 7-5,6-3 |
| ITF M15 Palm Coast | 2024/02/13 15:00 | Collin Altamirano v Ivan Marrero Curbelo | 6-2,6-7,4-10 |
| Challenger Cleveland | 2024/01/29 18:30 | Patrick Brady v Collin Altamirano | 6-3,6-2 |
| Challenger Cleveland | 2024/01/28 22:00 | Collin Altamirano v Dan Martin | 7-6,6-3 |
| ITF M25 Wesley Chapel | 2024/01/24 18:35 | Harrison Adams v Collin Altamirano | 7-5,6-4 |
| ITF M25 Columbus | 2023/11/16 17:30 | Collin Altamirano v Shunsuke Mitsui | 7-5,3-6,3-6 |
| ITF M25 Columbus | 2023/11/15 20:30 | Nikita Filin v Collin Altamirano | 6-4,1-6,2-6 |
| ITF M15 Palm Coast | 2024/02/17 13:30 | Andres Andrade v Alex Rybakov | 6-2,7-6 |
| ITF M15 Palm Coast | 2024/02/16 15:00 | Roberto Cid Subervi v Alex Rybakov | 4-6,3-6 |
| ITF M15 Palm Coast | 2024/02/15 16:30 | Matthew Forbes v Alex Rybakov | 1-6,2-6 |
| ITF M15 Palm Coast | 2024/02/14 15:00 | Jacob Brumm v Alex Rybakov | 1-6,2-6 |
| ITF M15 Sunrise | 2024/02/11 15:30 | Alex Rybakov v Dmitry Popko | 5-7,2-6 |
| ITF M15 Sunrise | 2024/02/10 15:30 | Alex Rybakov v Nicolas Mejia | 7-5,6-3 |
| ITF M15 Sunrise | 2024/02/09 15:55 | Toby Alex Kodat v Alex Rybakov | 3-6,4-6 |
| ITF M15 Sunrise | 2024/02/08 16:40 | William Grant v Alex Rybakov | 4-6,0-6 |