Round: 28 Ground: Clay
| Challenger Santiago 2 Qual | 2016/03/09 18:15 | Guilherme Clezar v Mathias Bourgue | 6-4,7-6 |
| Challenger Guayaquil | 2015/11/03 17:35 | Guilherme Clezar v Guido Pella | 1-6,6-3,3-6 |
| Challenger Medellin | 2015/10/08 15:30 | Paolo Lorenzi v Guilherme Clezar | 7-6,6-4 |
| Challenger Medellin | 2015/10/05 16:00 | Yannik Reuter v Guilherme Clezar | 2-6,7-5,1-6 |
| Challenger Campinas | 2015/09/23 22:25 | Facundo Arguello v Guilherme Clezar | 6-3,6-7,6-4 |
| Challenger Campinas | 2015/09/21 21:35 | Christian Lindell v Guilherme Clezar | 7-5,3-6,4-6 |
| US Open Qual | 2015/08/28 18:15 | Guilherme Clezar v John-Patrick Smith | 3-6,2-6 |
| US Open Qual | 2015/08/27 21:20 | Nicolas Almagro v Guilherme Clezar | 6-7,6-4,4-6 |
| Davis Cup | 2016/03/04 15:00 | Joao Sousa v Gerald Melzer | 6-1,7-5,6-2 |
| Challenger Morelos | 2016/02/20 21:00 | Alejandro Gonzalez v Gerald Melzer | 6-7,3-6 |
| Challenger Morelos | 2016/02/19 19:00 | Gerald Melzer v Horacio Zeballos | 6-7,6-3,6-4 |
| Challenger Morelos | 2016/02/18 18:45 | Tobias Kamke v Gerald Melzer | 6-7,3-6 |
| Challenger Morelos | 2016/02/17 19:05 | Eduardo Struvay v Gerald Melzer | 4-6,6-7 |
| Challenger Morelos | 2016/02/16 17:45 | Gerard Granollers-Pujol v Gerald Melzer | 2-6,6-3,1-6 |
| Challenger Santo Domingo | 2016/02/10 22:00 | Gerald Melzer v Guido Andreozzi | 3-6,6-4,2-6 |
| Challenger Santo Domingo | 2016/02/08 19:00 | Gerald Melzer v Nicolas Jarry | 7-6,6-3 |