 United Kingdom: Wimbledon - Singles - Qualification |
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| Quarter-finals | Danilovic O. | Stefanini L. | 2:0 (6:3, 6:4) | details | 25.06.2024 |
 Italy: Gaiba - Singles - Main |
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| 1/16-finals | Stefanini L. | Salkova D. | CAN. | details | 17.06.2024 |
| United Kingdom: Nottingham - Singles - Main |
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| 1/8-finals | Birrell K. | Stefanini L. | 2:1 (6:4, 65:7, 6:0) | details | 12.06.2024 |
| 1/16-finals | Stefanini L. | Zhu L. | 2:1 (7:64, 3:6, 7:5) | details | 10.06.2024 |
| United Kingdom: Nottingham - Singles - Qualification |
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| Final | Stefanini L. | Gibson T. | 2:0 (6:4, 6:1) | details | 09.06.2024 |
| Semi-finals | Stefanini L. | Banks A. | 2:1 (6:4, 2:6, 6:4) | details | 08.06.2024 |
 Portugal: W50 Montemor-o-Novo - Singles - Main |
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| Final | Gibson T. | Stefanini L. | 0:2 (4:6, 0:6) | details | 02.06.2024 |
| Semi-finals | Raina A. | Stefanini L. | 0:2 (1:6, 2:6) | details | 01.06.2024 |
| Quarter-finals | Kulikova A. | Stefanini L. | 0:2 (1:6, 3:6) | details | 31.05.2024 |
| 1/8-finals | Micic E. | Stefanini L. | 1:2 (6:3, 3:6, 3:6) | details | 30.05.2024 |
| 1/16-finals | Jorge M. | Stefanini L. | 0:2 (0:6, 3:6) | details | 29.05.2024 |
 France: French Open - Singles - Qualification |
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| Quarter-finals | Volynets K. | Stefanini L. | 2:0 (6:2, 6:1) | details | 21.05.2024 |
| Italy: Parma - Singles - Main |
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| 1/16-finals | Arango E. | Stefanini L. | 2:0 (6:4, 6:3) | details | 14.05.2024 |
| Italy: Rome - Singles - Main |
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| 1/32-finals | Noskova L. | Stefanini L. | 2:0 (6:3, 7:61) | details | 09.05.2024 |
| 1/64-finals | Paganetti V. | Stefanini L. | 0:2 (5:7, 3:6) | details | 07.05.2024 |
| Portugal: W100 Oeiras - Singles - Main |
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| 1/8-finals | Monnet C. | Stefanini L. | 2:0 (7:5, 6:3) | details | 25.04.2024 |
| 1/16-finals | Chwalinska M. | Stefanini L. | 0:2 (1:6, 5:7) | details | 24.04.2024 |
| Portugal: Oeiras - Singles - Main |
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| 1/16-finals | Bai Z. | Stefanini L. | 2:0 (7:66, 7:5) | details | 16.04.2024 |
 Switzerland: W75 Bellinzona - Singles - Main |
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| 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 |
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| 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 |
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| 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 |
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| 1/16-finals | Sonmez Z. | Stefanini L. | 2:0 (6:4, 6:2) | details | 06.03.2024 |
| Slovakia: W50 Trnava - Singles - Main |
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| 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 |
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| 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 |
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| 1/16-finals | Stefanini L. | Cocciaretto E. | 0:2 (2:6, 0:6) | details | 30.01.2024 |
| Austria: Linz - Singles - Qualification |
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| 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 |
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| 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 |
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| Quarter-finals | Stefanini L. | Pattinama Kerkhove L. | 0:2 (3:6, 3:6) | details | 09.01.2024 |
| Australia: Canberra - Singles - Main |
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| 1/16-finals | Stefanini L. | Seidel E. | 0:2 (1:6, 5:7) | details | 02.01.2024 |
 Tunisia: Monastir - Singles - Main |
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| 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 |
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| 1/16-finals | Stefanini L. | Cristian J. | 0:2 (65:7, 1:6) | details | 10.10.2023 |
| France: W80 Le Neubourg - Singles - Main |
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| 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 |
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| 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 |
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| 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 |