Tennis · WTA Beijing · 03/10, 04:00
Prediction: Qinwen Zheng vs Anna Kalinskaya
Team pages: Qinwen Zheng · Anna Kalinskaya
Prediction summary
Winner
Qinwen Zheng
Anna Kalinskaya
Estimated games
22.5
Recent form · 10 last
Qinwen Zheng
7-3 (W-L)
Anna Kalinskaya
6-4 (W-L)
Head-to-head
Qinwen Zheng
1–1
Anna Kalinskaya
(2 last)
- 24 Jan2-1 18-11W
- 21 Feb1-2 11-14L
Our model (Elo) vs Market
Rating Elo · Qinwen Zheng 1574 · Anna Kalinskaya 1555
| Qinwen Zheng | Anna Kalinskaya | |
|---|---|---|
| Our model | 53% | 47% |
| Market | 62% | 38% |
The bar above blends our model with the market: where our probability diverges most from the odds is where the model sees the widest gap.
Match keys
- Note: Qinwen Zheng makes many double faults (5.1/match).
- Note: Anna Kalinskaya makes many double faults (8.1/match).
Statistics
| Qinwen Zheng | Anna Kalinskaya | |
|---|---|---|
| Win % | 80% | 70% |
| Win % · Hard | 80% (10) | 70% (10) |
| Sets (G-P) | 1.7-0.9 | 1.4-1 |
| Games (G-P) | 13.5-10.9 | 11.7-11 |
| Aces | 5.8 | 3.3 |
| Double faults | 5.1 | 8.1 |
| 1st serve % | 78.6% | 67.4% |
| Break % | 45.6% | 44% |
Estimated total games (ours)
22.5
H2H · Qinwen Zheng 1 – 1 Anna Kalinskaya (2)
Head-to-head (H2H) · Qinwen Zheng 1–1 Anna Kalinskaya
Swipe the table sideways →
| Date | Sets | Games | Res. |
|---|---|---|---|
| 24/01/24 Australian Open Women | 2-1 | 18-11 | W |
| 21/02/22 WTA Guadalajara | 1-2 | 11-14 | L |
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Qinwen Zheng
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 01/10 | Han Shi WTA Beijing · Hard |
2-1 | 17-14 | W |
| 24/09 | Jasmine Paolini Billie Jean King Cup · Hard |
0-2 | 9-13 | L |
| 09/09 | Elena Rybakina US Open Women · Hard |
1-2 | 11-15 | L |
| 07/09 | Iga Swiatek US Open Women · Hard |
2-0 | 13-8 | W |
| 05/09 | Madison Keys US Open Women · Hard |
2-1 | 15-17 | W |
| 03/09 | Yulia Putintseva US Open Women · Hard |
2-1 | 14-11 | W |
| 31/08 | Kristina Liutova US Open Women · Hard |
2-1 | 16-10 | W |
| 28/08 | Elena Pridankina US Open Women · Hard |
2-1 | 15-10 | W |
| 26/08 | Clara Burel US Open Women · Hard |
2-0 | 13-6 | W |
| 24/08 | Xiaodi You US Open Women · Hard |
2-0 | 12-5 | W |
Anna Kalinskaya
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 07/09 | Emma Navarro US Open Women · Hard |
0-2 | 6-12 | L |
| 05/09 | Elina Svitolina US Open Women · Hard |
2-1 | 14-12 | W |
| 02/09 | Xinyu Wang US Open Women · Hard |
2-1 | 15-14 | W |
| 31/08 | Anna Blinkova US Open Women · Hard |
2-0 | 12-7 | W |
| 15/08 | Caty McNally WTA Cincinnati · Hard |
2-0 | 12-7 | W |
| 06/08 | Diana Shnaider WTA Toronto · Hard |
0-2 | 6-12 | L |
| 05/08 | McCartney Kessler WTA Toronto · Hard |
2-1 | 18-13 | W |
| 31/07 | Jessica Pegula WTA Washington · Hard |
0-2 | 8-13 | L |
| 30/07 | Janice Tjen WTA Washington · Hard |
2-1 | 14-15 | W |
| 28/07 | Daria Kasatkina WTA Washington · Hard |
2-0 | 12-5 | W |
Frequently asked questions
Who is the favourite in Qinwen Zheng vs Anna Kalinskaya?
Our model gives 58% to Qinwen Zheng, using surface Elo on hard.
What is the prediction based on?
On an Elo model by surface (hard) adjusted for opponent quality, compared with the market odds.