Round: 25 Ground: Clay
| Challenger de Campinas | 2015/09/23 20:15 | Joao Souza v Juan Ignacio Londero | 5-7,5-7 |
| Challenger de Campinas | 2015/09/22 21:30 | Joao Souza v Orlando Luz | 6-2,6-4 |
| Copa Davis | 2015/09/18 15:55 | Joao Souza v Borna Coric | 4-6,6-7,1-6 |
| Challenger Barranquilla | 2015/09/09 20:15 | Gonzalo Escobar v Joao Souza | 6-3,6-4 |
| US Open | 2015/08/31 20:30 | Novak Djokovic v Joao Souza | 6-1,6-1,6-1 |
| ATP Kitzbuhel | 2015/08/04 15:00 | Andreas Haider-Maurer v Joao Souza | 7-6,6-4 |
| ATP Bastad | 2015/07/20 13:30 | Christian Lindell v Joao Souza | 6-2,3-6,6-4 |
| Challenger de Poznan | 2015/07/14 10:00 | Elias Ymer v Joao Souza | 7-6,6-4 |
| Challenger de Knoxville | 2015/11/11 18:35 | Giovanni Lapentti v Blaz Rola | 6-4,3-6,4-6 |
| Challenger de Guayaquil | 2015/11/05 02:15 | Giovanni Lapentti v Guido Andreozzi | 3-6,2-6 |
| Challenger de Guayaquil | 2015/11/04 01:30 | Ivan Endara v Giovanni Lapentti | 2-6,2-6 |
| Challenger de Las Vegas | 2015/10/22 19:20 | Giovanni Lapentti v Michael Mmoh | 3-6,6-3,3-6 |
| Challenger de Campinas | 2015/09/22 13:00 | Facundo Arguello v Giovanni Lapentti | 6-3,6-4 |
| Challenger Barranquilla | 2015/09/12 20:00 | Rogerio Dutra Silva v Giovanni Lapentti | 6-7,6-1,6-2 |
| Challenger Barranquilla | 2015/09/11 21:15 | Giovanni Lapentti v Marcel Granollers | 7-6,0-6,6-3 |
| Challenger Barranquilla | 2015/09/10 19:35 | Giovanni Lapentti v Marcelo Arevalo | 6-4,7-5 |