O. Gadecki leads the head-to-head 4-0 since 2018 against K. Birrell, over 4 matches.
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32 ATP & WTA matches analysed today
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By surface
| Surface | K. Birrell | O. Gadecki |
| Hard | 0 | 3 |
| Clay | 0 | 1 |
Current ELO by surface
| Surface | K. Birrell | O. Gadecki |
| Hard |
1740 (150-101) |
1620 (127-75) |
| Clay |
1404 (12-22) |
1490 (41-32) |
| Grass |
1600 (22-21) |
1545 (19-17) |
ELO is computed per surface from results since 2018; the win-loss pair is that surface's record.
Match history
| Date | Winner | Score | Event |
| Jan. 2, 2024 | O. Gadecki | 2 - 1 | WTA Brisbane · 1/32-finals · hard |
| March 26, 2022 | O. Gadecki | 2 - 1 | ITF W60 Canberra Women · Semi-finals · clay |
| March 2, 2022 | O. Gadecki | 2 - 1 | W25 Bendigo · 1/16-finals · hard |
| Feb. 16, 2022 | O. Gadecki | 2 - 1 | W25 Canberra 2 · 1/16-finals · hard |
Recent form
| Date | | Opponent | Score | Event |
| April 29, 2026 |
L |
H. Sakatsume |
0 - 2 |
W100 Gifu · 1/16-finals · hard |
| April 21, 2026 |
L |
H. Dart |
0 - 2 |
W100 Tokyo · 1/16-finals · hard |
| March 4, 2026 |
L |
A. Bolsova Zadoinov |
2 - 0 |
W75 Trnava 2 · 1/16-finals · clay |
| Feb. 26, 2026 |
L |
K. Sebov |
2 - 0 |
W75 Trnava · 1/8-finals · hard |
| Feb. 24, 2026 |
W |
I. Shinikova |
0 - 2 |
W75 Trnava · 1/16-finals · hard |
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