WTAHardOsaka2026-10-20 07:30
Kayla Day v Kimberly Birrell
The market
No published price yet
Percentages are the implied chance of winning with the bookmaker's margin removed.
Head to head
First career meetingNo previous matches between these two on record.
This season & this event
K. Day
K. Birrell
46-20
26-11
Did not play
Did not play
2026 record
2026 on hard
Here in 2025
Here in 2024
29-26
23-18
Did not play
Lost Final to S. Lamens
Ranking points fall off a year after they are earned, so a player who went deep here last year must match it or drop in the rankings. That shapes effort in a way the price does not always show.
The players
Kayla Day
USA
Kimberly Birrell
Australia
123
27
USA
39–17
3
20–9
15–5
4–3
Ranking
Age
Country
2026 W/L
Titles
Hard
Clay
Grass
71
28
Australia
23–24
0
17–14
1–4
5–5
Ranking, record and surface splits are for the most recent season on file. Height, weight and handedness are not published by our data provider.
K. Day — last 10
With the pre-match price we recorded at the time.
| Date | Event | Surface | Opponent | Score | Their price | Market | Result |
|---|---|---|---|---|---|---|---|
| 2026-10-18 | Osaka | Hard | M. Joint | 2 - 1 | — | — | LOST |
| 2026-10-17 | Osaka | Hard | E. Koike | 0 - 2 | — | — | WON |
| 2026-09-30 | W100 Templeton | Hard | A. Van Impe | 2 - 0 | — | — | LOST |
| 2026-09-27 | W50 Berkeley | Hard | J. Preston | 2 - 0 | — | — | WON |
| 2026-09-26 | W50 Berkeley | Hard | E. McDonald | 2 - 0 | — | — | WON |
| 2026-09-25 | W50 Berkeley | Hard | A. S. Rogers | 2 - 0 | — | — | WON |
| 2026-09-24 | W50 Berkeley | Hard | E. Laskevich | 2 - 0 | — | — | WON |
| 2026-09-23 | W50 Berkeley | Hard | A. Bulatova | 2 - 0 | — | — | WON |
| 2026-09-17 | Guadalajara | Clay | L. Samsonova | 1 - 2 | — | — | LOST |
| 2026-09-14 | Guadalajara | Clay | E. Kalieva | 0 - 2 | — | — | WON |
K. Birrell — last 10
With the pre-match price we recorded at the time.
| Date | Event | Surface | Opponent | Score | Their price | Market | Result |
|---|---|---|---|---|---|---|---|
| 2026-10-13 | Wuhan | Hard | K. Volynets | 1 - 2 | 2.58 | 62% | LOST |
| 2026-10-02 | Beijing | Hard | M. Bouzkova | 2 - 0 | 2.93 | 67% | LOST |
| 2026-09-30 | Beijing | Hard | A. Ito | 0 - 2 | 1.26 | 77% | WON |
| 2026-09-27 | Seoul | Hard | M. Joint | 0 - 2 | 2.39 | 59% | WON |
| 2026-09-26 | Seoul | Hard | A. Bondar | 1 - 2 | 1.90 | 50% | WON |
| 2026-09-25 | Seoul | Hard | K. Volynets | 1 - 2 | 1.29 | 72% | WON |
| 2026-09-24 | Seoul | Hard | Y. Ma | 0 - 2 | — | — | WON |
| 2026-09-21 | Seoul | Hard | T. Zidansek | 0 - 2 | 1.61 | 60% | WON |
| 2026-09-02 | US Open | Hard | E. Alexandrova | 1 - 2 | 4.30 | 77% | LOST |
| 2026-08-31 | US Open | Hard | P. Marcinko | 2 - 1 | 1.88 | 52% | WON |