Stadium: Centre Court Round: 27 Ground: Clay
| Challenger Cali 2 | 2014/10/01 17:00 | Alejandro Gonzalez v Guilherme Clezar | 4-6,6-3,6-1 |
| Challenger Poznan | 2017/07/18 09:00 | Jan Satral v Guilherme Clezar | 7-6,6-0 |
| Challenger Milan | 2017/06/29 16:35 | Tommy Robredo v Guilherme Clezar | 6-7,7-6,6-3 |
| Challenger Milan | 2017/06/26 13:20 | Guilherme Clezar v Thiago Monteiro | 6-3,6-3 |
| Challenger Todi | 2017/06/20 09:30 | Guilherme Clezar v Gastao Elias | 6-3,3-6,4-6 |
| Challenger Lisbon | 2017/06/13 16:30 | Frederico Ferreira Silva v Guilherme Clezar | 6-2,6-4 |
| ITF Spain F16 | 2017/06/07 10:15 | David Vega Hernandez v Guilherme Clezar | 6-4,6-4 |
| ITF Spain F16 | 2017/06/06 09:00 | Lamine Ouahab v Guilherme Clezar | 7-6,1-6,4-6 |
| ITF Italy F15 | 2017/05/30 13:30 | Gianni Mina v Guilherme Clezar | 4-6,6-1,6-2 |
| Challenger Medellin | 2017/07/14 21:10 | Rubin Statham v Alejandro Gonzalez | 6-4,6-4 |
| Challenger Medellin | 2017/07/13 23:30 | Alejandro Gonzalez v Jose Hernandez-Fernandez | 6-1,6-3 |
| Challenger Medellin | 2017/07/12 23:30 | Juan Sebastian Gomez v Alejandro Gonzalez | 3-6,2-6 |
| Wimbledon Qual | 2017/06/28 16:35 | Alejandro Gonzalez v Taylor Fritz | 1-6,3-6 |
| Wimbledon Qual | 2017/06/26 13:15 | Vaclav Safranek v Alejandro Gonzalez | 7-6,2-6,1-6 |
| Challenger Ilkley Qual | 2017/06/17 10:00 | Alejandro Gonzalez v Ricardas Berankis | 4-6,7-5,5-7 |
| Challenger Prostejov Qual | 2017/06/04 14:15 | Alejandro Gonzalez v Joao Pedro Sorgi | 4-6,1-6 |
| Challenger Prostejov Qual | 2017/06/04 09:30 | Alejandro Gonzalez v Andreas Haider-Maurer | 0-6,7-6,6-3 |