[312] Alejandro Gonzalez Cancelled Stefan Kozlov [316] 2018-12-31 19:00
Ground: Hardcourt outdoor
Home History
| Challenger Houston | 2018/11/11 16:00 | Alejandro Gonzalez v Alexis Galarneau | 6-3,4-6,4-6 |
| Challenger Houston | 2018/11/10 15:00 | Alejandro Gonzalez v Jonathan Chang | 6-2,6-3 |
| Challenger - Knoxville | 2018/11/05 16:40 | Michael Redlicki v Alejandro Gonzalez | 7-6,3-6,7-5 |
| Challenger - Charlottesville | 2018/10/28 14:00 | Mikael Ymer v Alejandro Gonzalez | 6-2,6-3 |
| Challenger - Charlottesville | 2018/10/27 17:55 | Isaiah Strode v Alejandro Gonzalez | 1-6,2-6 |
| 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 |
Away History
| Challenger Houston | 2018/11/13 17:35 | Paolo Lorenzi v Stefan Kozlov | 6-4,3-6,6-4 |
| Challenger - Knoxville | 2018/11/04 16:55 | Evan Song v Stefan Kozlov | 6-4,3-6,6-3 |
| Challenger - Charlottesville | 2018/10/28 16:00 | Petros Chrysochos v Stefan Kozlov | 1-6,6-3,6-2 |
| Challenger - Charlottesville | 2018/10/27 16:10 | Emil Reinberg v Stefan Kozlov | 6-3,6-7,1-6 |
| Challenger Las Vegas | 2018/10/23 18:00 | Kamil Majchrzak v Stefan Kozlov | 6-0,6-2 |
| Challenger Calgary | 2018/10/15 20:30 | Stefan Kozlov v Jan Choinski | 3-6,3-6 |
| Challenger Monterrey | 2018/10/01 21:25 | Stefan Kozlov v Lucas Gomez | 2-6,4-6 |
| Challenger Aptos | 2018/08/06 18:00 | Stefan Kozlov v Kaichi Uchida | 4-6,1-6 |