Tennis · W100 Incheon · 04/11, 03:00
Prediction: Xinxin Yao vs Hanna Chang
Team pages: Xinxin Yao · Hanna Chang
Prediction summary
Winner
Xinxin Yao
Hanna Chang
Estimated games
21.3
Recent form · 10 last
Xinxin Yao
5-5 (W-L)
Hanna Chang
5-5 (W-L)
Our model (Elo) vs Market
Rating Elo · Xinxin Yao 1507 · Hanna Chang 1582
| Xinxin Yao | Hanna Chang | |
|---|---|---|
| Our model | 39% | 61% |
| Market | 54% | 46% |
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 Hanna Chang (rating 1507 vs 1582).
- Note: Hanna Chang makes many double faults (4.9/match).
Statistics
| Xinxin Yao | Hanna Chang | |
|---|---|---|
| Win % | 60% | 60% |
| Win % · Hard | 40% (5) | 86% (7) |
| Sets (G-P) | 1.4-1.1 | 1.2-0.9 |
| Games (G-P) | 12.8-11.7 | 10-8.8 |
| Aces | 0.9 | 1.7 |
| Double faults | 2.7 | 4.9 |
| 1st serve % | 60.4% | 62.4% |
| Break % | 58.3% | 56.3% |
Estimated total games (ours)
21.3
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Xinxin Yao
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 25/10 | Daria Khomutsianskaya W35 Qian Daohu |
1-2 | 12-14 | L |
| 24/10 | Rada Zolotareva W35 Qian Daohu |
2-0 | 13-9 | W |
| 23/10 | Yidi Yang W35 Qian Daohu |
2-0 | 12-4 | W |
| 22/10 | Yujia Huang W35 Qian Daohu |
2-1 | 17-14 | W |
| 21/10 | Sijia Wei W35 Qian Daohu |
2-1 | 15-12 | W |
| 05/10 | Aliaksandra Sasnovich WTA Suzhou · Hard |
0-2 | 6-13 | L |
| 28/09 | Maddison Inglis WTA Beijing · Hard |
0-2 | 6-13 | L |
| 21/09 | Maya Joint WTA Seoul · Hard |
1-2 | 15-15 | L |
| 20/09 | Miho Kuramochi WTA Seoul · Hard |
2-0 | 12-5 | W |
| 19/09 | Priscilla Hon WTA Seoul · Hard |
2-1 | 20-18 | W |
Hanna Chang
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 25/10 | Jenna Defalco W35 Bakersfield · ~Hard |
2-0 | 13-8 | W |
| 24/10 | Connie Ma W35 Bakersfield · ~Hard |
2-0 | 12-6 | W |
| 23/10 | Jo Yee Chan W35 Bakersfield · ~Hard |
2-1 | 16-10 | W |
| 23/10 | Salma Drugdova W35 Bakersfield · ~Hard |
2-0 | 12-5 | W |
| 20/10 | Nika Hurkacz W35 Bakersfield · ~Hard |
2-0 | 12-5 | W |
| 13/10 | Madison Brengle W100 Edmond |
0-2 | 5-12 | L |
| 08/10 | Janae Preston W35 Las Vegas · ~Hard |
0-2 | 5-12 | L |
| 07/10 | Amelie Justine Hejtmanek W35 Las Vegas · ~Hard |
2-0 | 12-6 | W |
| 01/10 | Mary Stoiana W100 Templeton |
0-2 | 7-12 | L |
| 25/09 | Janae Preston W50 Berkeley |
0-2 | 6-12 | L |
Frequently asked questions
Who is the favourite in Xinxin Yao vs Hanna Chang?
Our model gives 53% to Hanna Chang, 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.

