Stadium: COURT 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Orlando | 2018/12/31 17:50 | Jared Hiltzik v Joao Souza | 6-2,5-7,1-6 |
| ITF Brazil F9 | 2018/11/17 13:00 | Joao Souza v Alex Blumenberg | 6-3,6-1 |
| ITF Brazil F9 | 2018/11/16 15:55 | Joao Souza v Joao Lucas Reis da Silva | 6-4,5-7,6-4 |
| ITF Brazil F9 | 2018/11/15 18:30 | Joao Souza v Joao Pedro Okano | 6-2,6-1 |
| ITF Brazil F9 | 2018/11/13 18:00 | Joao Souza v Mateus Alves | 6-4,7-6 |
| ITF Brazil F8 | 2018/11/11 13:00 | Christian Lindell v Joao Souza | 1-6,6-7 |
| ITF Brazil F8 | 2018/11/10 15:30 | Nicolas Santos v Joao Souza | 2-6,6-7 |
| ITF Brazil F8 | 2018/11/09 21:15 | Jose Pereira v Joao Souza | 6-3,5-7,4-6 |
| US Open | 2018/08/21 19:40 | Dennis Novikov v Sebastian Korda | 6-4,5-7,2-6 |
| Challenger Aptos | 2018/08/07 22:00 | Dennis Novikov v Stefano Napolitano | 4-6,3-6 |
| Wimbledon Qual | 2018/06/26 14:00 | Christian Harrison v Dennis Novikov | 7-6,4-6,6-3 |
| Challenger Ilkley Qual | 2018/06/17 10:00 | Prajnesh Gunneswaran v Dennis Novikov | 6-4,6-2 |
| ATP Hertogenbosch Qual | 2018/06/09 08:30 | Dennis Novikov v Kevin King | 6-7,2-6 |
| Challenger Surbiton | 2018/06/04 14:35 | Dennis Novikov v Lukas Lacko | 6-4,1-6,5-7 |
| French Open Qual | 2018/05/21 12:10 | Dennis Novikov v Duckhee Lee | 2-6,2-6 |
| Challenger Leon | 2018/04/26 18:00 | Christopher Eubanks v Dennis Novikov | 6-3,6-3 |