 Spain: Madrid - Singles - Qualification |
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| Semi-finals | Carle M. L. | Preston T. | 2:0 (6:2, 7:5) | details | 22.04.2024 |
 Portugal: Oeiras - Singles - Main |
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| 1/16-finals | Falei A. | Preston T. | 2:0 (6:4, 6:2) | details | 16.04.2024 |
 World: Billie Jean King Cup - World Group - Singles - Qualification |
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| | Preston T. | Zacarias M. | 2:0 (6:1, 6:1) | details | 13.04.2024 |
 USA: Charleston - Singles - Qualification |
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| Final | Preston T. | Bassols M. | 1:2 (6:4, 3:6, 5:7) | details | 11.03.2024 |
| Semi-finals | Preston T. | Watson H. | 2:1 (6:4, 4:6, 6:2) | details | 10.03.2024 |
| USA: San Diego - Singles - Main |
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| 1/8-finals | Preston T. | Kostyuk M. | 0:2 (4:6, 3:6) | details | 28.02.2024 |
| 1/16-finals | Preston T. | Frech M. | 2:1 (6:4, 4:6, 6:1) | details | 28.02.2024 |
 Mexico: Puerto Vallarta - Singles - Main |
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| Final | Preston T. | Kessler M. | 1:2 (7:5, 3:6, 0:6) | details | 26.02.2024 |
| Semi-finals | Preston T. | Carle M. L. | 2:0 (6:2, 6:2) | details | 25.02.2024 |
| Quarter-finals | Starodubtseva Y. | Preston T. | 0:2 (5:7, 4:6) | details | 23.02.2024 |
| 1/8-finals | Preston T. | Riera J. | 2:1 (2:6, 7:5, 6:4) | details | 21.02.2024 |
| 1/16-finals | Preston T. | Parrizas-Diaz N. | 2:0 (6:4, 6:1) | details | 20.02.2024 |
 Thailand: Hua Hin - Singles - Main |
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| 1/16-finals | Preston T. | Zhu L. | 0:2 (4:6, 5:7) | details | 30.01.2024 |
| Thailand: Hua Hin - Singles - Qualification |
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| Final | Preston T. | Makarova E. | 2:0 (6:3, 6:1) | details | 28.01.2024 |
| Semi-finals | Gadecki O. | Preston T. | 0:2 (5:7, 2:6) | details | 27.01.2024 |
 Australia: Australian Open - Singles - Main |
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| 1/64-finals | Svitolina E. | Preston T. | 2:0 (6:2, 6:2) | details | 15.01.2024 |
| World: Others matches - Singles - Main |
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| | Preston T. | Fruhvirtova L. | 2:1 (1:6, 7:64, 10:6) | details | 11.01.2024 |
| Australia: Adelaide - Singles - Main |
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| 1/16-finals | Preston T. | Garcia C. | 1:2 (4:6, 6:1, 3:6) | details | 09.01.2024 |
| Australia: Canberra - Singles - Main |
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| 1/8-finals | Preston T. | Hibino N. | 1:2 (1:6, 7:5, 1:6) | details | 03.01.2024 |
| 1/16-finals | Ercan M. | Preston T. | 0:2 (0:6, 4:6) | details | 01.01.2024 |
| Australia: W60 Brisbane - Singles - Main |
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| Final | Astakhova D. | Preston T. | 0:2 (3:6, 4:6) | details | 26.11.2023 |
| Semi-finals | McPhee K. | Preston T. | 1:2 (2:6, 6:4, 2:6) | details | 25.11.2023 |
| Quarter-finals | Preston T. | Aiava D. | 2:1 (3:6, 7:5, 6:4) | details | 24.11.2023 |
| 1/8-finals | Shi H. | Preston T. | 1:2 (2:6, 7:5, 1:6) | details | 23.11.2023 |
| 1/16-finals | Kuramochi M. | Preston T. | 1:2 (2:6, 6:3, 3:6) | details | 22.11.2023 |
| Australia: W60 Sydney - Singles - Main |
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| 1/8-finals | Jang S. J. | Preston T. | 2:0 (6:1, 6:3) | details | 02.11.2023 |
| 1/16-finals | Preston T. | Popovic I. | 2:0 (6:3, 7:5) | details | 01.11.2023 |
| Australia: W60 Playford - Singles - Main |
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| Semi-finals | Preston T. | Sharma A. | 0:2 (2:6, 3:6) | details | 28.10.2023 |
| Quarter-finals | Birrell K. | Preston T. | 1:1 RET. (6:4, 62:7, 1:4) | details | 27.10.2023 |
| 1/8-finals | Preston T. | Hon P. | 2:1 (4:6, 6:3, 6:3) | details | 26.10.2023 |
| 1/16-finals | Preston T. | Sato H. | 2:0 (7:64, 7:5) | details | 24.10.2023 |
| Australia: W25 Cairns 2 - Singles - Main |
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| Final | Preston T. | Naito Y. | 2:0 (6:4, 6:4) | details | 15.10.2023 |
| Semi-finals | Aiava D. | Preston T. | 0:2 (64:7, 1:6) | details | 14.10.2023 |
| Quarter-finals | Preston T. | Popovic I. | 2:1 (6:3, 64:7, 6:3) | details | 13.10.2023 |
| 1/8-finals | Preston T. | Gilheany R. | 2:0 (6:2, 6:3) | details | 12.10.2023 |
| 1/16-finals | Preston T. | Hasegawa M. | 2:0 (6:1, 6:0) | details | 11.10.2023 |
| Australia: W25 Cairns - Singles - Main |
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| Quarter-finals | Inglis M. | Preston T. | 2:0 (6:2, 6:2) | details | 06.10.2023 |
| 1/8-finals | Parnaby A. | Preston T. | 0:2 (3:6, 3:6) | details | 05.10.2023 |