Tennis · W15 Hillcrest · 14/07, 09:30
Prediction: Kei Yau Cheung vs Jahnie Van Zyl
Prediction summary
Winner
Kei Yau Cheung
Jahnie Van Zyl
Estimated games
19.4
Recent form · 10 last
Kei Yau Cheung
0-10 (W-L)
Jahnie Van Zyl
5-5 (W-L)
Our model (Elo) vs Market
Rating Elo · Kei Yau Cheung 1371 · Jahnie Van Zyl 1508
| Kei Yau Cheung | Jahnie Van Zyl | |
|---|---|---|
| Our model | 31% | 69% |
| Market | 10% | 90% |
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
- Our model (surface Elo, opponent-adjusted) favours Jahnie Van Zyl (rating 1371 vs 1508).
- Jahnie Van Zyl is in better form: 50% recent wins.
- Note: Kei Yau Cheung makes many double faults (5.1/match).
Statistics
| Kei Yau Cheung | Jahnie Van Zyl | |
|---|---|---|
| Win % | 0% | 50% |
| Win % · Hard | 0% (8) | 60% (5) |
| Sets (G-P) | 0.1-2 | 1.2-1.1 |
| Games (G-P) | 4.6-11.7 | 10.3-10.7 |
| Aces | 0.5 | 0.9 |
| Double faults | 5.1 | 3.4 |
| 1st serve % | 48.5% | 60% |
| Break % | 49.6% | 51.2% |
Estimated total games (ours)
19.4
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Kei Yau Cheung
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 30/06 | Polina Leykina W15 Hillcrest · ~Hard |
0-2 | 2-12 | L |
| 04/05 | Yatawee Chimchum W15 Nakhon Pathom · ~Hard |
1-2 | 10-8 | L |
| 27/04 | Jiyun Oh W15 Nakhon Pathom · ~Hard |
0-2 | 3-12 | L |
| 20/04 | Chia Yi Tsao W15 Singapore · ~Hard |
0-2 | 0-12 | L |
| 13/04 | Vlada Kozak W15 Singapore · ~Hard |
0-2 | 5-12 | L |
| 24/03 | Elena Tiutrina W15 Swan Hill · ~Hard |
0-2 | 10-13 | L |
| 10/03 | Sarah Rokusek W35 Timaru |
0-2 | 0-12 | L |
| 16/11 | Anjali K Junarto ITF W15 Hua Hin Qual · Hard |
0-2 | 4-12 | L |
| 10/11 | Sydney Wilson ITF W15 Hua Hin · Hard |
0-2 | 8-13 | L |
| 29/10 | Xi Luo ITF W15 Tashkent |
0-2 | 4-11 | L |
Jahnie Van Zyl
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 10/07 | Jana Hossam Salah W35 Hillcrest · ~Hard |
0-2 | 3-12 | L |
| 09/07 | Michika Ozeki W35 Hillcrest · ~Hard |
2-1 | 16-16 | W |
| 07/07 | Emma Van Poppel W35 Hillcrest · ~Hard |
2-0 | 12-3 | W |
| 02/07 | Polina Leykina W15 Hillcrest · ~Hard |
1-2 | 13-17 | L |
| 30/06 | Shelly Krolitzky W15 Hillcrest · ~Hard |
2-0 | 12-2 | W |
| 06/05 | Miriana Tona W35 Platja d'Aro · ~Clay |
1-2 | 10-15 | L |
| 05/05 | Jordina Font W35 Platja d'Aro · ~Clay |
2-0 | 13-7 | W |
| 11/04 | Maria Sakkari Billie Jean King Cup |
0-2 | 5-12 | L |
| 11/04 | Maria Sakkari Billie Jean King Cup |
0-2 | 5-12 | L |
| 09/04 | Sara Mitevska Billie Jean King Cup |
2-0 | 14-11 | W |
Frequently asked questions
Who is the favourite in Kei Yau Cheung vs Jahnie Van Zyl?
Our model gives 80% to Jahnie Van Zyl, 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.

