| Houston, USA | 11/10 15:00 | 45 | Gonzalez, Alejandro v Chang, Jonathan | 6-2,6-3 | |
| Challenger Knoxville | 11/05 16:40 | 46 | Redlicki, Michael v Gonzalez, Alejandro | 7-6,3-6,7-5 | |
| Challenger Knoxville | 11/04 19:25 | 45 | [378] Gonzalez, Alejandro v Marcos Giron [373] | Cancelled | |
| Challenger Charlottesville | 10/28 14:00 | 46 | [286] Ymer, Mikael v Gonzalez, Alejandro [376] | 6-2,6-3 | |
| Challenger Charlottesville | 10/27 17:55 | 45 | Isaiah Strode v Gonzalez, Alejandro | 1-6,2-6 | |
| Challenger Las Vegas | 10/20 20:45 | 45 | Alex Rybakov v Gonzalez, Alejandro | 6-2,7-6 | |
| Challenger Calgary | 10/16 19:20 | 25 | [347] Gonzalez, Alejandro v Casper Ruud [127] | 6-3,5-7,6-7 | |
| Challenger Campinas | 10/04 15:00 | 26 | [349] Gonzalez, Alejandro v Garin, Cristian [141] | 3-6,1-6 | |
| Challenger Campinas | 10/02 13:00 | 25 | [349] Gonzalez, Alejandro v Arguello, Facundo [268] | 6-3,7-6 | |
| Challenger Tiburon | 09/23 17:00 | 46 | [331] Gonzalez, Alejandro v Vivero Gonzalez, Pablo [432] | 3-6,1-6 | |
| Challenger Tiburon | 09/22 18:50 | 45 | [468] Alexander Ritschard v Gonzalez, Alejandro [331] | 1-6,4-6 | |
| Challenger Columbus | 09/19 14:00 | 25 | Opelka, Reilly v Gonzalez, Alejandro | Cancelled | |
| Challenger Columbus | 09/18 17:55 | 25 | [488] Luke Saville v Gonzalez, Alejandro [331] | 7-5,6-4 | |
| Challenger Cary | 09/13 19:40 | 27 | [354] Gonzalez, Alejandro v Fratangelo, Bjorn [171] | 7-6,5-7,4-6 | |
| Challenger Cary | 09/12 17:00 | 26 | [354] Gonzalez, Alejandro v Ymer, Mikael [294] | 4-6,6-3,6-4 | |
| Challenger Cary | 09/10 20:40 | 25 | [112] Polansky, Peter v Gonzalez, Alejandro [354] | 3-6,4-6 | |
| Challenger Chicago | 09/02 22:10 | 46 | [323] Gonzalez, Alejandro v Roelofse, Ruan [157] | 4-6,6-3,3-6 | |
| Challenger Astana | 07/17 05:55 | 25 | [105] Youzhny, Mikhail v Gonzalez, Alejandro [313] | 6-3,2-6,7-5 | |
| Challenger Perugia Qual | 07/08 08:00 | 45 | [297] Gonzalez, Alejandro v Toledo Bague, Pol [403] | 2-6,7-5,3-6 | |
| Challenger Recanati Qual | 07/02 10:00 | 54 | [297] Gonzalez, Alejandro v Basso, Andrea [317] | 2-6,3-6 | |
| Challenger Recanati Qual | 07/01 11:30 | 46 | Gonzalez, Alejandro v Francesco Ferrari | 6-3,7-5 | |
| Challenger Recanati Qual | 06/30 14:45 | 45 | [298] Gonzalez, Alejandro v Mladenov, Vasko [459] | 6-4,6-3 | |
| Challenger Milan Qual | 06/23 10:20 | 45 | Gonzalez, Alejandro v Lindell, Christian | 3-6,6-2,2-6 | |
| L'Aquila, Italie | 06/19 09:40 | 25 | [299] Gonzalez, Alejandro v Gianluca Mager [347] | 3-6,3-6 | |
| Challenger Vicenza Qual | 05/26 10:10 | 45 | [361] Galarza, Juan Ignacio v Gonzalez, Alejandro [284] | 6-3,6-4 | |
| ATP Lyon Qual | 05/19 11:00 | 64 | [282] Gonzalez, Alejandro v Samper-Montana, Jordi [408] | 6-3,3-6,5-7 | |
| Puerto Vallarta, Mexico | 05/01 17:00 | 25 | [270] Gonzalez, Alejandro v Roberto Cid Subervi [307] | 2-6,7-5,2-6 | |
| Challenger Leon | 04/28 20:00 | 28 | [228] Smith, John-Patrick v Gonzalez, Alejandro [307] | 6-4,6-3 | |
| Challenger Leon | 04/27 19:30 | 27 | [307] Gonzalez, Alejandro v Pavic, Ante [282] | 3-6,6-4,6-1 | |
| Challenger Leon | 04/26 00:20 | 26 | [239] Galan, Daniel Elahi v Gonzalez, Alejandro [307] | 2-6,6-3,4-6 |