Portugal: Estoril - Singles - Main |
| 1/16-finals | Fils A. | Sousa J. | 2:0 (7:5, 6:4) | details | 03.04.2024 |
Spain: Girona - Singles - Main |
| Quarter-finals | Sousa J. | Sanchez Izquierdo N. | WO. | details | 29.03.2024 |
| 1/8-finals | Moro Canas A. | Sousa J. | 0:2 (4:6, 2:6) | details | 28.03.2024 |
| 1/16-finals | Sousa J. | Gill F. | 2:1 (7:66, 4:6, 6:4) | details | 27.03.2024 |
Spain: Girona - Singles - Qualification |
| Final | Sousa J. | Gaubas V. | 0:2 (4:6, 3:6) | details | 25.03.2024 |
| Semi-finals | Sousa J. | Alvarez Varona N. | CAN. | details | 24.03.2024 |
World: Davis Cup - World Group - Singles - Qualification |
| | Virtanen O. | Sousa J. | CAN. | details | 03.02.2024 |
| | Ruusuvuori E. | Sousa J. | 2:0 (6:2, 6:3) | details | 02.02.2024 |
Portugal: Oeiras 2 - Singles - Main |
| Quarter-finals | Sousa J. | Damm M. | 0:2 (2:6, 5:7) | details | 11.01.2024 |
| 1/8-finals | Sousa J. | Giustino L. | 2:0 (6:3, 6:1) | details | 10.01.2024 |
| 1/16-finals | Sousa J. | Vincent Ruggeri S. | 2:1 (7:65, 3:6, 7:65) | details | 09.01.2024 |
Portugal: Oeiras - Singles - Main |
| Quarter-finals | Kasnikowski M. | Sousa J. | 2:0 (7:61, 6:4) | details | 05.01.2024 |
| 1/8-finals | Jubb P. | Sousa J. | 0:2 (66:7, 4:6) | details | 04.01.2024 |
| 1/16-finals | Vincent Ruggeri S. | Sousa J. | 0:2 (4:6, 2:6) | details | 02.01.2024 |
Portugal: Maia - Singles - Main |
| 1/8-finals | Sousa J. | Ramos A. | 0:2 (4:6, 63:7) | details | 30.11.2023 |
| 1/16-finals | Sousa J. | Jianu F. C. | 2:1 (6:3, 3:6, 6:1) | details | 28.11.2023 |
Canada: Drummondville - Singles - Main |
| Quarter-finals | Tu L. | Sousa J. | 2:0 (6:4, 7:5) | details | 18.11.2023 |
| 1/8-finals | Sousa J. | Paire B. | 2:0 (6:1, 7:64) | details | 15.11.2023 |
| 1/16-finals | Samuel T. | Sousa J. | 1:2 (6:3, 0:6, 3:6) | details | 13.11.2023 |
Canada: Calgary - Singles - Main |
| 1/8-finals | Diallo G. | Sousa J. | 2:1 (5:7, 7:5, 6:3) | details | 09.11.2023 |
| 1/16-finals | Brady P. | Sousa J. | 1:2 (7:5, 4:6, 2:6) | details | 07.11.2023 |
Germany: Ismaning - Singles - Main |
| 1/16-finals | Stricker D. | Sousa J. | 2:1 (7:64, 3:6, 6:3) | details | 31.10.2023 |
Germany: Ismaning - Singles - Qualification |
| Final | Sousa J. | Oberleitner N. | 2:0 (7:63, 6:3) | details | 30.10.2023 |
| Semi-finals | Sousa J. | Gavrielides L. | 2:0 (6:4, 6:2) | details | 29.10.2023 |
Italy: Ortisei - Singles - Main |
| 1/16-finals | Bourgue M. | Sousa J. | 2:1 (6:3, 66:7, 6:4) | details | 24.10.2023 |
Slovakia: Bratislava 2 - Singles - Qualification |
| Final | Sousa J. | Damm M. | 1:2 (3:6, 7:64, 1:6) | details | 09.10.2023 |
| Semi-finals | Sousa J. | Sasikumar M. | 2:1 (6:3, 4:6, 6:3) | details | 08.10.2023 |
Portugal: Lisbon - Singles - Main |
| Quarter-finals | Ramos A. | Sousa J. | 2:0 (6:4, 6:2) | details | 06.10.2023 |
| 1/8-finals | Sousa J. | Sousa P. | 2:0 (6:2, 6:3) | details | 05.10.2023 |
| 1/16-finals | Sousa J. | Rocha H. | 2:0 (6:2, 7:5) | details | 03.10.2023 |
Portugal: Braga - Singles - Main |
| 1/16-finals | Sousa J. | Echargui M. | 1:2 (6:2, 4:6, 4:6) | details | 27.09.2023 |
World: Davis Cup - World Group I - Singles - Main |
| | Rodionov J. | Sousa J. | CAN. | details | 16.09.2023 |
| | Ofner S. | Sousa J. | 1:2 (7:5, 3:6, 61:7) | details | 15.09.2023 |
France: Cassis - Singles - Main |
| 1/16-finals | Muller A. | Sousa J. | 2:1 (6:3, 2:6, 7:5) | details | 05.09.2023 |
Spain: Mallorca - Singles - Main |
| 1/8-finals | Sousa J. | Mayot H. | 1:2 (3:6, 6:3, 65:7) | details | 31.08.2023 |
| 1/16-finals | Sousa J. | Ivanovski K. | 2:0 (6:4, 7:65) | details | 30.08.2023 |
Czech Republic: Prague 3 - Singles - Main |
| Semi-finals | Debru G. | Sousa J. | 2:1 (5:7, 6:3, 6:4) | details | 25.08.2023 |
| Quarter-finals | Darderi L. | Sousa J. | 1:2 (5:7, 6:3, 63:7) | details | 24.08.2023 |
| 1/8-finals | Forejtek J. | Sousa J. | 1:2 (0:6, 6:4, 4:6) | details | 23.08.2023 |
| 1/16-finals | Royer V. | Sousa J. | 0:2 (4:6, 1:6) | details | 22.08.2023 |
Portugal: Porto - Singles - Main |
| Final | Sousa J. | Nardi L. | 1:2 (7:5, 4:6, 1:6) | details | 06.08.2023 |
| Semi-finals | Marie J. | Sousa J. | 0:2 (64:7, 0:6) | details | 05.08.2023 |
| Quarter-finals | Herbert P. | Sousa J. | 0:2 (64:7, 2:6) | details | 04.08.2023 |
| 1/8-finals | Kachmazov A. | Sousa J. | 0:2 (2:6, 2:6) | details | 03.08.2023 |
| 1/16-finals | Sousa J. | Bellucci M. | 2:1 (65:7, 6:4, 6:4) | details | 31.07.2023 |
Italy: Vicenza - Singles - Main |
| 1/16-finals | Sousa J. | Sachko V. | 0:2 (2:6, 64:7) | details | 30.05.2023 |
France: French Open - Singles - Qualification |
| Quarter-finals | Sousa J. | Rodriguez Taverna S. | 1:2 (2:6, 6:3, 68:7) | details | 22.05.2023 |