| Winnetka, USA | 07/10 18:45 | 25 | [192] Thanasi Kokkinakis v Gonzalez, Alejandro [382] | 6-4,6-3 | |
| Winnetka, USA | 07/08 17:50 | 24 | [397] King, Kevin v Gonzalez, Alejandro [382] | 3-6,3-6 | |
| Tulsa, Singles Main, M-ITF-USA-16A | 06/20 18:40 | 26 | Gonzalez, Alejandro v Nick Chappell | 6-2,5-7,6-7 | |
| Tulsa, Singles Main, M-ITF-USA-16A | 06/18 19:20 | 25 | Gonzalez, Alejandro v Bushamuka, William | 6-1,6-3 | |
| Challenger Columbus | 06/13 21:35 | 26 | [397] Gonzalez, Alejandro v Nam, Ji Sung [349] | 4-6,2-6 | |
| Challenger Columbus | 06/12 18:25 | 25 | [143] Michael Mmoh v Gonzalez, Alejandro [397] | Retired | |
| Challenger Columbus | 06/11 20:30 | 24 | [397] Gonzalez, Alejandro v Nicolas Mejia [475] | 6-2,6-4 | |
| Challenger Columbus | 06/10 18:00 | 166 | Gonzalez, Alejandro v Aleksandar Kovacevic | 6-4,6-7,6-2 | |
| Little Rock, USA | 06/04 22:50 | 24 | [393] Gonzalez, Alejandro v Alexander Ritschard [487] | 4-6,4-6 | |
| Samarkand, Uzbekistan | 05/13 09:25 | 24 | [393] Gonzalez, Alejandro v Denis Yevseyev [310] | 3-6,7-6,4-6 | |
| Challenger Braga | 05/06 15:20 | 24 | [392] Gonzalez, Alejandro v Benjamin Bonzi [294] | 1-6,4-6 | |
| Challenger - Savannah | 05/02 18:35 | 26 | [409] Gonzalez, Alejandro v Tommy Paul [143] | 6-4,6-7,5-7 | |
| Challenger - Savannah | 05/01 17:05 | 25 | [197] Emilio Gomez v Gonzalez, Alejandro [409] | 0-6,3-6 | |
| Challenger - Savannah | 04/29 21:00 | 24 | Gonzalez, Alejandro v Arconada, Jordi | 6-4,6-2 | |
| Challenger - Tallahassee | 04/23 15:20 | 25 | [133] Corentin Moutet v Gonzalez, Alejandro [352] | Retired | |
| Challenger - Tallahassee | 04/22 16:05 | 24 | [352] Gonzalez, Alejandro v Millot, Vincent [341] | 6-2,6-3 | |
| Challenger - Sarasota | 04/16 14:00 | 24 | [304] Cuevas, Martin v Gonzalez, Alejandro [349] | 6-4,6-2 | |
| ITF - M15 Sunrise | 04/13 15:20 | 28 | Sebastian Korda v Gonzalez, Alejandro | 3-6,6-2,6-1 | |
| ITF - M15 Sunrise | 04/12 15:00 | 27 | Galarza, Juan Ignacio v Gonzalez, Alejandro | 6-2,6-7,1-6 | |
| ITF - M15 Sunrise | 04/11 15:55 | 26 | Tikhomirov, Maksim v Gonzalez, Alejandro | 3-6,2-6 | |
| ITF - M15 Sunrise | 04/10 14:00 | 25 | Brooksby, Jenson v Gonzalez, Alejandro | 4-6,6-4,4-6 | |
| Challenger - Santiago | 03/05 14:00 | 24 | [363] Tung-Lin Wu v Gonzalez, Alejandro [346] | 6-2,6-4 | |
| Challenger - Morelos | 02/20 18:25 | 25 | [343] Gonzalez, Alejandro v King, Evan [308] | 4-6,3-6 | |
| Challenger - Morelos | 02/19 16:00 | 24 | [343] Gonzalez, Alejandro v Haerteis, Johannes [381] | 6-3,6-1 | |
| Coupe Davis | 02/02 18:45 | - | [337] Gonzalez, Alejandro v Elias Ymer [116] | 6-3,6-3 | |
| Challenger - Punta del Este | 01/23 16:55 | 25 | [136] Dutra Silva, Rogerio v Gonzalez, Alejandro [326] | 7-6,6-2 | |
| Challenger - Punta del Este | 01/21 18:55 | 24 | [326] Gonzalez, Alejandro v Galarza, Juan Ignacio [470] | 7-5,6-3 | |
| Challenger Columbus | 01/07 16:30 | 24 | [291] Jan Choinski v Gonzalez, Alejandro [319] | 6-2,6-3 | |
| Orlando, USA | 12/31 19:00 | - | [312] Gonzalez, Alejandro v Stefan Kozlov [316] | Cancelled | |
| Houston, USA | 11/11 16:00 | 46 | [378] Gonzalez, Alejandro v Alexis Galarneau [476] | 6-3,4-6,4-6 |