Stadium: C Round: 45 Ground: Hardcourt indoor
| Challenger Stockton | 2018/10/01 19:35 | Isaiah Strode v Tommy Paul | 3-6,3-6 |
| Challenger Stockton | 2018/09/30 22:00 | Isaiah Strode v Jared Hiltzik | 3-6,7-6,6-2 |
| Challenger Stockton | 2018/09/29 22:20 | Collin Altamirano v Isaiah Strode | 4-6,0-6 |
| ITF USA F26 | 2018/09/26 17:00 | Isaiah Strode v Maxime Cressy | 1-6,4-6 |
| ITF USA F25 | 2018/09/19 19:15 | Isaiah Strode v Paul Oosterbaan | 6-7,6-7 |
| ITF USA F19 | 2018/07/04 15:55 | Reese Stalder v Isaiah Strode | 7-6,6-2 |
| ITF USA F17 Qual | 2018/06/26 15:00 | Isaiah Strode v Maxime Cressy | 6-4,4-6,5-7 |
| ITF USA F17 Qual | 2018/06/24 18:30 | Isaiah Strode v Reese Stalder | 7-6,7-5 |
| Challenger Las Vegas | 2018/10/20 20:45 | Alex Rybakov v Alejandro Gonzalez | 6-2,7-6 |
| Challenger Calgary | 2018/10/16 19:20 | Alejandro Gonzalez v Casper Ruud | 6-3,5-7,6-7 |
| Challenger Campinas | 2018/10/04 15:00 | Alejandro Gonzalez v Cristian Garin | 3-6,1-6 |
| Challenger Campinas | 2018/10/02 13:00 | Alejandro Gonzalez v Facundo Arguello | 6-3,7-6 |
| Challenger Tiburon | 2018/09/23 17:00 | Alejandro Gonzalez v Pablo Vivero Gonzalez | 3-6,1-6 |
| Challenger Tiburon | 2018/09/22 18:50 | Alexander Ritschard v Alejandro Gonzalez | 1-6,4-6 |
| Challenger Columbus | 2018/09/18 17:55 | Luke Saville v Alejandro Gonzalez | 7-5,6-4 |
| Challenger Cary | 2018/09/13 19:40 | Alejandro Gonzalez v Bjorn Fratangelo | 7-6,5-7,4-6 |