Portugal: Oeiras - Singles - Main |
| 1/16-finals | Bai Z. | Stefanini L. | 2:0 (7:66, 7:5) | details | 16.04.2024 |
Switzerland: W75 Bellinzona - Singles - Main |
| Quarter-finals | Paquet C. | Stefanini L. | 2:0 (6:4, 6:1) | details | 12.04.2024 |
| 1/8-finals | Abduraimova N. | Stefanini L. | 0:2 (3:6, 2:6) | details | 11.04.2024 |
| 1/16-finals | Appleton E. | Stefanini L. | 0:2 (1:6, 5:7) | details | 10.04.2024 |
Colombia: Bogota - Singles - Main |
| 1/16-finals | Stefanini L. | Todoni A. A. | 1:2 (6:4, 2:6, 4:6) | details | 02.04.2024 |
Mexico: San Luis Potosi - Singles - Main |
| Quarter-finals | Stefanini L. | Podoroska N. | 0:2 (2:6, 2:6) | details | 30.03.2024 |
| 1/8-finals | Andreeva E. | Stefanini L. | 0:0 RET. (0:5) | details | 27.03.2024 |
| 1/16-finals | Stevanovic N. | Stefanini L. | 0:2 (4:6, 4:6) | details | 26.03.2024 |
Slovakia: W75 Trnava - Singles - Main |
| 1/16-finals | Sonmez Z. | Stefanini L. | 2:0 (6:4, 6:2) | details | 06.03.2024 |
Slovakia: W50 Trnava - Singles - Main |
| 1/8-finals | Stefanini L. | Gureva A. | 0:2 (3:6, 3:6) | details | 29.02.2024 |
| 1/16-finals | Stefanini L. | Supova K. | 2:0 (6:1, 6:2) | details | 28.02.2024 |
Romania: Cluj-Napoca - Singles - Qualification |
| Final | Arango E. | Stefanini L. | 1:1 RET. (62:7, 6:4, 0:0) | details | 04.02.2024 |
| Semi-finals | Kolb N. | Stefanini L. | 0:2 (0:6, 0:6) | details | 03.02.2024 |
Austria: Linz - Singles - Main |
| 1/16-finals | Stefanini L. | Cocciaretto E. | 0:2 (2:6, 0:6) | details | 30.01.2024 |
Austria: Linz - Singles - Qualification |
| Final | Stefanini L. | Bassols M. | 2:0 (6:2, 6:0) | details | 29.01.2024 |
| Semi-finals | Parks A. | Stefanini L. | 1:2 (7:5, 1:6, 4:6) | details | 28.01.2024 |
Portugal: W75+H Porto - Singles - Main |
| 1/8-finals | Stefanini L. | Chwalinska M. | 0:2 (5:7, 1:6) | details | 25.01.2024 |
| 1/16-finals | Stefanini L. | Berberovic N. | 2:0 (6:1, 6:3) | details | 24.01.2024 |
Australia: Australian Open - Singles - Qualification |
| Quarter-finals | Stefanini L. | Pattinama Kerkhove L. | 0:2 (3:6, 3:6) | details | 09.01.2024 |
Australia: Canberra - Singles - Main |
| 1/16-finals | Stefanini L. | Seidel E. | 0:2 (1:6, 5:7) | details | 02.01.2024 |
Tunisia: Monastir - Singles - Main |
| Quarter-finals | Burel C. | Stefanini L. | 2:0 (6:3, 6:1) | details | 20.10.2023 |
| 1/8-finals | Stefanini L. | Kawa K. | 2:0 (6:4, 6:1) | details | 18.10.2023 |
| 1/16-finals | Stefanini L. | Rosatello C. | 2:1 (5:7, 6:3, 6:1) | details | 16.10.2023 |
France: Rouen - Singles - Main |
| 1/16-finals | Stefanini L. | Cristian J. | 0:2 (65:7, 1:6) | details | 10.10.2023 |
France: W80 Le Neubourg - Singles - Main |
| Quarter-finals | Stefanini L. | Ferro F. | 0:2 (2:6, 3:6) | details | 15.09.2023 |
| 1/8-finals | Stefanini L. | Ryser V. | 2:0 (6:1, 6:1) | details | 14.09.2023 |
| 1/16-finals | Stefanini L. | Barthel M. | 2:0 (6:2, 6:1) | details | 13.09.2023 |
Switzerland: W60 Montreux - Singles - Main |
| Quarter-finals | Stefanini L. | Havlickova L. | 1:2 (6:4, 3:6, 5:7) | details | 08.09.2023 |
| 1/8-finals | Stefanini L. | Jorge F. | 2:0 (7:5, 6:2) | details | 07.09.2023 |
| 1/16-finals | Stefanini L. | Deichmann K. | 2:0 (6:4, 6:1) | details | 06.09.2023 |
Switzerland: W60 Collonge-Bellerive - Singles - Main |
| Final | Stefanini L. | Paquet C. | 0:2 (2:6, 1:6) | details | 03.09.2023 |
| Semi-finals | Stefanini L. | Perrin C. | 2:0 (7:64, 7:5) | details | 02.09.2023 |
| Quarter-finals | Stefanini L. | Boisson L. | 2:0 (6:3, 6:4) | details | 01.09.2023 |
| 1/8-finals | Stefanini L. | Hesse A. | 1:0 RET. (6:0, 4:1) | details | 31.08.2023 |
| 1/16-finals | Stefanini L. | Aksu A. | 2:0 (6:1, 7:62) | details | 30.08.2023 |
USA: US Open - Singles - Qualification |
| Semi-finals | Stefanini L. | Han N. | 1:2 (4:6, 7:5, 64:7) | details | 24.08.2023 |
| Quarter-finals | Stefanini L. | In-Albon Y. | 2:0 (6:2, 6:1) | details | 22.08.2023 |
Poland: Grodzisk Mazowiecki - Singles - Main |
| 1/16-finals | Sramkova R. | Stefanini L. | 2:1 (6:4, 5:7, 6:2) | details | 07.08.2023 |
Czech Republic: Livesport Prague Open - Singles - Main |
| 1/16-finals | Stefanini L. | Kanepi K. | 0:2 (2:6, 3:6) | details | 01.08.2023 |
Poland: Warsaw - Singles - Main |
| Quarter-finals | Stefanini L. | Siegemund L. | 1:2 (65:7, 7:5, 3:6) | details | 29.07.2023 |
| 1/8-finals | Stefanini L. | Burrage J. | 2:0 (6:4, 6:1) | details | 27.07.2023 |
| 1/16-finals | Fruhvirtova L. | Stefanini L. | 0:2 (1:6, 64:7) | details | 25.07.2023 |
Italy: Palermo - Singles - Main |
| 1/16-finals | Danilovic O. | Stefanini L. | CAN. | details | 18.07.2023 |
United Kingdom: Wimbledon - Singles - Main |
| 1/64-finals | Kontaveit A. | Stefanini L. | 2:0 (6:4, 6:4) | details | 05.07.2023 |
United Kingdom: Wimbledon - Singles - Qualification |
| Final | Hsieh S-W. | Stefanini L. | 1:2 (2:6, 7:63, 69:7) | details | 29.06.2023 |
| Semi-finals | Hon P. | Stefanini L. | 0:2 (2:6, 64:7) | details | 28.06.2023 |
| Quarter-finals | Alves C. | Stefanini L. | 0:2 (1:6, 2:6) | details | 27.06.2023 |
Italy: Gaiba - Singles - Main |
| Quarter-finals | Stefanini L. | Krueger A. | 0:2 (2:6, 1:6) | details | 23.06.2023 |
| 1/8-finals | Stefanini L. | Rodina E. | 2:0 (6:2, 6:4) | details | 22.06.2023 |