| ITF Brazil F7 | 11/03 15:40 | 28 | Facundo Mena v Souza, Joao Olavo | 4-6,3-6 | |
| ITF Brazil F7 | 11/02 15:55 | 27 | Alejandro Tabilo v Souza, Joao Olavo | 5-7,5-7 | |
| ITF Brazil F7 | 11/01 16:10 | 26 | Fermin Tenti v Souza, Joao Olavo | 2-6,1-6 | |
| ITF Brazil F7 | 10/30 17:55 | 25 | Zarichanskiy, D. v Souza, Joao Olavo | 3-6,4-6 | |
| ITF Brazil F6 | 10/26 21:00 | 27 | [411] Felipe M R Alves v Souza, Joao Olavo [410] | 6-3,6-4 | |
| ITF Brazil F6 | 10/25 20:30 | 26 | Facundo Mena v Souza, Joao Olavo | 6-1,3-6,4-6 | |
| ITF Brazil F6 | 10/23 22:15 | 25 | Miele, Andre v Souza, Joao Olavo | 2-6,7-6,2-6 | |
| ITF Brazil F5 | 10/20 13:00 | 27 | Francisco Cerundolo v Souza, Joao Olavo | 6-3,6-0 | |
| ITF Brazil F5 | 10/18 22:35 | 26 | Luis Britto v Souza, Joao Olavo | 4-6,5-7 | |
| ITF Brazil F5 | 10/16 22:00 | 25 | Hinsching, Joao v Souza, Joao Olavo | 6-2,4-6,1-6 | |
| Santo Domingo, Dominican Republic | 10/08 17:15 | 54 | [296] Cuevas, Martin v Souza, Joao Olavo [412] | 6-4,6-2 | |
| Santo Domingo, Dominican Republic | 10/07 20:35 | 46 | Bellotti, Riccardo v Souza, Joao Olavo | 6-7,3-6 | |
| Santo Domingo, Dominican Republic | 10/06 18:05 | 45 | [408] Souza, Joao Olavo v Renzo Olivo [344] | 6-4,6-2 | |
| Challenger Campinas | 10/02 15:15 | 25 | [408] Souza, Joao Olavo v Ornago, Fabrizio [373] | 6-7,6-7 | |
| Challenger Campinas | 10/01 13:00 | 54 | [101] Neis, Fabricio v Souza, Joao Olavo [408] | Retired | |
| Challenger Campinas | 09/30 16:15 | 46 | [178] Franco Agamenone v Souza, Joao Olavo [408] | 4-6,2-6 | |
| Challenger Campinas Qual | 09/29 13:00 | 45 | Nusdeo, Joao Marcos v Souza, Joao Olavo | 2-6,0-6 | |
| Challenger Tiburon | 09/22 21:55 | 45 | Souza, Joao Olavo v Brooksby, Jenson | 5-7,1-6 | |
| Challenger Szczecin | 09/08 09:00 | 45 | [394] Souza, Joao Olavo v Molteni, Andres [61] | 6-3,5-7,6-7 | |
| Genoa, Italy | 09/03 12:00 | 54 | [394] Souza, Joao Olavo v Andrea Pellegrino [350] | 6-0,3-6,4-6 | |
| Genoa, Italy | 09/03 08:00 | 46 | [394] Souza, Joao Olavo v Delic, Mate [433] | 6-2,7-5 | |
| Genoa, Italy | 09/02 13:05 | 45 | [300] Gianluca Mager v Souza, Joao Olavo [394] | 4-6,4-6 | |
| ITF Italy F22 | 08/10 12:40 | 28 | [426] Rondoni, Pietro v Souza, Joao Olavo [458] | 6-3,6-7,6-1 | |
| ITF Italy F22 | 08/09 15:30 | 27 | [396] Elmar Ejupovic v Souza, Joao Olavo [458] | 3-6,4-6 | |
| ITF Italy F22 | 08/08 14:30 | 26 | Riccardo Bonadio v Souza, Joao Olavo | 6-7,6-4,0-6 | |
| ITF Italy F22 | 08/07 15:15 | 25 | [407] Santanna, B. v Souza, Joao Olavo [458] | 4-6,2-6 | |
| ITF Italy F21 | 08/04 08:30 | 29 | Tomas Martin Etcheverry v Souza, Joao Olavo | 6-7,4-6 | |
| ITF Italy F21 | 08/03 14:30 | 28 | [365] Souza, Joao Olavo v Simon, Tobias [474] | 7-6,7-6 | |
| ITF Italy F21 | 08/02 18:40 | 27 | Sorgi, Joao Pedro v Souza, Joao Olavo | 4-6,5-7 | |
| ITF Italy F21 | 08/01 08:00 | 26 | Giovanni Fonio v Souza, Joao Olavo | 6-7,7-6,3-6 |