USA: Miami - Singles - Main |
| 1/32-finals | Birrell K. | Kostyuk M. | 1:2 (5:7, 6:4, 3:6) | dettagli | 21.03.2025 |
| 1/64-finals | Potapova A. | Birrell K. | 1:2 (6:3, 3:6, 65:7) | dettagli | 19.03.2025 |
USA: Miami - Singles - Qualification |
| Final | Birrell K. | Dart H. | 2:0 (6:4, 6:3) | dettagli | 17.03.2025 |
| Semi-finals | Birrell K. | Sasnovich A. | 2:0 (6:4, 6:3) | dettagli | 16.03.2025 |
USA: Indian Wells - Singles - Main |
| 1/32-finals | Mertens E. | Birrell K. | 2:0 (6:4, 7:5) | dettagli | 08.03.2025 |
| 1/64-finals | Golubic V. | Birrell K. | 0:2 (4:6, 4:6) | dettagli | 07.03.2025 |
USA: Indian Wells - Singles - Qualification |
| Final | Birrell K. | Bucsa C. | 2:0 (6:4, 6:4) | dettagli | 04.03.2025 |
| Semi-finals | Birrell K. | Penickova K. | 2:0 (6:3, 6:0) | dettagli | 04.03.2025 |
USA: Austin - Singles - Main |
| 1/8-finals | Birrell K. | Shibahara E. | 1:2 (3:6, 6:4, 4:6) | dettagli | 27.02.2025 |
| 1/16-finals | Yuan Y. | Birrell K. | 0:2 (65:7, 65:7) | dettagli | 25.02.2025 |
Australia: W75 Brisbane 2 - Singles - Main |
| Final | Birrell K. | Inglis M. | 2:1 (6:2, 4:6, 7:62) | dettagli | 09.02.2025 |
| Semi-finals | Birrell K. | Preston T. | 2:0 (7:63, 6:2) | dettagli | 08.02.2025 |
| Quarter-finals | Birrell K. | Zheng W. | 2:0 (6:4, 6:4) | dettagli | 07.02.2025 |
| 1/8-finals | Birrell K. | Jang S. J. | 2:0 (7:61, 7:61) | dettagli | 06.02.2025 |
| 1/16-finals | Birrell K. | Ma Y. | 2:0 (6:1, 6:3) | dettagli | 05.02.2025 |
Singapore: Singapore - Singles - Main |
| Quarter-finals | Li A. | Birrell K. | 2:0 (7:62, 7:64) | dettagli | 31.01.2025 |
| 1/8-finals | Baptiste H. | Birrell K. | 1:2 (7:63, 3:6, 5:7) | dettagli | 30.01.2025 |
| 1/16-finals | Birrell K. | Kudermetova P. | 2:0 (6:3, 6:2) | dettagli | 28.01.2025 |
Australia: Australian Open - Singles - Main |
| 1/64-finals | Lys E. | Birrell K. | 2:0 (6:2, 6:2) | dettagli | 14.01.2025 |
| 1/64-finals | Kalinskaya A. | Birrell K. | CAN. | dettagli | 14.01.2025 |
Australia: Australian Open - Singles - Qualification |
| Final | Birrell K. | Selekhmeteva O. | 2:1 (6:3, 64:7, 6:4) | dettagli | 09.01.2025 |
| Semi-finals | Birrell K. | Hon P. | 2:1 (6:4, 3:6, 6:4) | dettagli | 08.01.2025 |
| Quarter-finals | Birrell K. | Saito S. | 2:0 (7:64, 6:2) | dettagli | 07.01.2025 |
Australia: Brisbane - Singles - Main |
| Quarter-finals | Kalinina A. | Birrell K. | 2:1 (4:6, 6:1, 7:5) | dettagli | 03.01.2025 |
| 1/8-finals | Potapova A. | Birrell K. | 0:2 (62:7, 2:6) | dettagli | 02.01.2025 |
| 1/16-finals | Birrell K. | Navarro E. | 2:0 (7:5, 7:5) | dettagli | 01.01.2025 |
| 1/32-finals | Hon P. | Birrell K. | 1:2 (6:3, 5:7, 2:6) | dettagli | 30.12.2024 |
Slovakia: W75 Trnava 3 - Singles - Main |
| 1/16-finals | Oz I. | Birrell K. | 2:1 (6:3, 4:6, 7:68) | dettagli | 27.11.2024 |
Slovakia: W50 Trnava 2 - Singles - Main |
| 1/8-finals | Quevedo K. | Birrell K. | 2:1 (4:6, 6:3, 7:5) | dettagli | 21.11.2024 |
| 1/16-finals | Geerlings Martinez A. | Birrell K. | 0:2 (3:6, 3:6) | dettagli | 20.11.2024 |
World: Billie Jean King Cup - World Group - Singles - Main |
| | Birrell K. | Hruncakova V. | 1:2 (5:7, 7:64, 3:6) | dettagli | 17.11.2024 |
Hong Kong: Hong Kong - Singles - Main |
| 1/8-finals | Fernandez L. | Birrell K. | 2:0 (6:1, 6:2) | dettagli | 31.10.2024 |
| 1/16-finals | Bogdan A. | Birrell K. | 0:2 (3:6, 4:6) | dettagli | 29.10.2024 |
Japan: Osaka - Singles - Main |
| Final | Birrell K. | Lamens S. | 0:2 (0:6, 4:6) | dettagli | 20.10.2024 |
| Semi-finals | Ito A. | Birrell K. | 0:2 (4:6, 3:6) | dettagli | 20.10.2024 |
Japan: Tokyo - Singles - Qualification |
| Semi-finals | Birrell K. | Shimizu E. | WO. | dettagli | 19.10.2024 |
Japan: Osaka - Singles - Main |
| Quarter-finals | Birrell K. | Saito S. | 2:0 (7:5, 6:4) | dettagli | 18.10.2024 |
| 1/8-finals | Mertens E. | Birrell K. | 1:1 RET. (6:3, 5:7, 1:4) | dettagli | 17.10.2024 |
| 1/16-finals | Birrell K. | Zheng S. | 2:0 (6:2, 6:3) | dettagli | 15.10.2024 |
Hong Kong: Hong Kong - Singles - Main |
| 1/8-finals | Navarro E. | Birrell K. | 2:0 (6:2, 6:4) | dettagli | 03.10.2024 |
Australia: Australian Open - Mixed Doubles - Main |
| Final | Birrell K./Smith J. P. | Gadecki O./Peers J. | 1:2 (6:3, 4:6, 6:10) | dettagli | 24.01.2025 |
| Semi-finals | Nicholls O./Patten H. | Birrell K./Smith J. P. | 0:2 (62:7, 2:6) | dettagli | 22.01.2025 |
| Quarter-finals | Perez E./Krawietz K. | Birrell K./Smith J. P. | 1:2 (2:6, 6:3, 6:10) | dettagli | 21.01.2025 |
Australia: Australian Open - Doubles - Main |
| 1/8-finals | Andreeva M./Shnaider D. | Birrell K./Gadecki O. | 2:0 (6:3, 6:2) | dettagli | 20.01.2025 |
Australia: Australian Open - Mixed Doubles - Main |
| 1/8-finals | Birrell K./Smith J. P. | Schuurs D./Puetz T. | 2:1 (6:3, 5:7, 10:8) | dettagli | 19.01.2025 |
| 1/16-finals | Birrell K./Smith J. P. | Chan H-C./Melo M. | 2:0 (7:65, 6:3) | dettagli | 17.01.2025 |
Australia: Australian Open - Doubles - Main |
| 1/16-finals | Birrell K./Gadecki O. | Eikeri U./Ninomiya M. | 2:0 (6:3, 7:5) | dettagli | 17.01.2025 |
| 1/32-finals | Krunic A./Stojanovic N. | Birrell K./Gadecki O. | 0:2 (2:6, 5:7) | dettagli | 16.01.2025 |