Round: 26 Ground: Clay
| ITF Spain F28 | 2016/08/29 13:00 | Rochette, Laurent v Gonzalo Villanueva | 2-6,3-6 |
| ITF Spain F27 | 2016/08/25 16:30 | Romero de Avila Senise, Alberto v Gonzalo Villanueva | 6-3,6-3 |
| ITF Spain F27 | 2016/08/24 09:00 | Rizzuti, Giovanni v Gonzalo Villanueva | 4-6,4-6 |
| ITF Spain F27 | 2016/08/22 10:30 | Gonzalo Villanueva v Toledo Bague, Pol | 4-6,6-4,6-3 |
| Challenger Cali 2 Qual | 2016/07/03 18:35 | Juan Sebastian Gomez v Gonzalo Villanueva | 6-4,6-2 |
| ITF Colombia F3 | 2016/07/02 15:00 | Quiroz, Roberto v Gonzalo Villanueva | 6-3,6-1 |
| ITF Colombia F3 | 2016/07/01 19:45 | Juan Pablo Varillas v Gonzalo Villanueva | 3-6,4-6 |
| ITF Colombia F3 | 2016/06/30 16:00 | Gonzalo Villanueva v Grimolizzi, Gaston-Arturo | 6-0,7-6 |
| ITF Spain F28 | 2016/08/30 08:30 | Javier Barranco Cosano v Klegou, Alexis | 2-6,0-6 |
| ITF Spain F27 | 2016/08/24 09:00 | Klegou, Alexis v Romero de Avila Senise, Alberto | 2-6,6-4,3-6 |
| ITF Spain F27 | 2016/08/23 11:05 | Martos Gornes, Sergio v Klegou, Alexis | 3-6,6-7 |
| ITF Austria F5 | 2016/08/08 14:10 | Klegou, Alexis v Simon, Tobias | 2-6,2-6 |
| Coupe Davis | 2016/07/16 08:20 | Ahouda, Amine v Klegou, Alexis | 6-3,6-4 |
| Coupe Davis | 2016/07/14 08:15 | Klegou, Alexis v Rakotondramanga, Antso | 6-3,3-6,5-7 |
| Coupe Davis | 2016/07/13 08:15 | Klegou, Alexis v Mzai, Ismael Changawa Ruwa | 6-3,7-6 |
| Coupe Davis | 2016/07/12 08:10 | Hassan, Mohamed v Klegou, Alexis | 2-6,4-6 |