Stadium: Campo Central Round: 25 Ground: Clay
| Challenger Cortina | 2016/08/03 10:35 | Joao Souza v Inigo C Huegun | 7-6,7-6 |
| Challenger Poznan | 2014/07/17 09:00 | Joao Souza v Inigo C Huegun | 7-6,6-3 |
| Challenger Buenos Aires | 2017/10/10 15:55 | Maximo Gonzalez v Joao Souza | 6-3,6-1 |
| Challenger Campinas | 2017/10/05 21:30 | Daniel Munoz-De La Nava v Joao Souza | 7-6,4-6,6-4 |
| Challenger Campinas | 2017/10/03 22:35 | Gonzalo Lama v Joao Souza | 4-6,3-6 |
| Challenger Bogota | 2017/09/07 15:00 | Juan Ignacio Londero v Joao Souza | 6-4,6-1 |
| Challenger Bogota | 2017/09/06 15:00 | Alejandro Mendoza v Joao Souza | 2-6,1-6 |
| Challenger Floridablanca | 2017/08/11 17:00 | Joao Souza v Gastao Elias | 1-6,3-6 |
| Challenger Floridablanca | 2017/08/09 18:00 | Joao Souza v Oscar Jose Gutierrez | 6-3,6-1 |
| Challenger Floridablanca | 2017/08/08 22:00 | Joao Souza v Emilio Gomez | 5-7,7-6,6-0 |
| Challenger Rome 2 | 2017/09/26 10:40 | Carlos Taberner v Inigo C Huegun | 7-5,6-2 |
| Challenger Rome 2 Qual | 2017/09/25 09:00 | Inigo C Huegun v Elliot Benchetrit | 6-4,6-4 |
| Challenger Rome 2 Qual | 2017/09/24 09:50 | Inigo C Huegun v Andreas Haider-Maurer | 6-4,6-3 |
| Challenger Sibiu | 2017/09/21 08:00 | Cedrik-Marcel Stebe v Inigo C Huegun | 2-6,7-6,6-2 |
| Challenger Sibiu | 2017/09/19 08:00 | Inigo C Huegun v Andrea Arnaboldi | 7-6,6-1 |
| Challenger Szczecin | 2017/09/14 16:45 | Guido Andreozzi v Inigo C Huegun | 6-3,6-3 |
| Challenger Szczecin | 2017/09/12 12:55 | Inigo C Huegun v Marco Cecchinato | 3-6,6-4,6-4 |
| Challenger Seville | 2017/09/09 18:30 | Inigo C Huegun v Felix Auger Aliassime | 7-6,3-6,3-6 |