Ground: Clay
| Cali, Colombia | 2015/05/04 21:30 | King, Kevin v Souto, David | 7-6,6-0 |
| ITF Argentina F3 | 2015/03/24 15:20 | Souto, David v Kaichi Uchida | 5-7,2-6 |
| Coupe Davis | 2015/03/06 20:30 | Souto, David v Saborio, Julian | 6-3,7-6,6-3 |
| ITF Romania F3 | 2014/05/29 09:40 | Antonescu, Vasile v Souto, David | 6-4,6-3 |
| ITF Romania F3 | 2014/05/28 12:20 | Frosa, Marius v Souto, David | 0-6,1-6 |
| ITF Romania F3 | 2014/05/26 07:00 | Souto, David v Cornea, Vlad Victor | 6-3,2-6,6-2 |
| Cali, Colombia | 2014/05/02 18:00 | Facundo Bagnis v Souto, David | 6-4,6-3 |
| Cali, Colombia | 2014/05/01 21:00 | Reuter, Yannik v Souto, David | 4-6,6-3,6-7 |
| Cali, Colombia | 2015/05/05 17:50 | Santos, Nicolas v Desein, Niels | 1-6,2-6 |
| Challenger Cali 2 Qual | 2015/05/04 15:00 | Lopes, Tiago v Santos, Nicolas | 4-6,4-6 |
| ITF Chile F2 | 2015/02/21 16:00 | Grandon Diaz, Cristobal v Santos, Nicolas | 7-5,6-2 |
| ITF Chile F1 | 2015/02/16 13:30 | Sorgi, Joao Pedro v Santos, Nicolas | 6-7,7-5,6-1 |
| Challenger Campinas | 2014/09/17 20:45 | Santos, Nicolas v Clezar, Guilherme | 1-6,0-6 |
| Challenger Campinas | 2014/09/16 16:15 | Marcelo Zormann v Santos, Nicolas | 4-6,5-7 |
| Challenger Campinas Qual | 2014/09/15 13:30 | Santos, Nicolas v Brandao, Filipe | 5-7,7-6,6-3 |
| ITF Peru F1 | 2014/09/08 16:00 | Neis, Fabricio v Santos, Nicolas | 6-3,6-4 |