Tennis · M25 Tamworth · 28/10, 04:30
Prediction: Chen Dong vs Sam Ryan Ziegann
Team pages: Chen Dong · Sam Ryan Ziegann
Prediction summary
Winner
Chen Dong
Sam Ryan Ziegann
Estimated games
21.4
Recent form · 10 last
Chen Dong
5-5 (W-L)
Sam Ryan Ziegann
4-6 (W-L)
Our model (Elo) vs Market
Rating Elo · Chen Dong 1500 · Sam Ryan Ziegann 1498
| Chen Dong | Sam Ryan Ziegann | |
|---|---|---|
| Our model | 50% | 50% |
| Market | 50% | 50% |
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.
Statistics
| Chen Dong | Sam Ryan Ziegann | |
|---|---|---|
| Win % | 50% | 50% |
| Win % · Hard | 50% (4) | 50% (4) |
| Sets (G-P) | 1.2-1.2 | 1.2-1.1 |
| Games (G-P) | 10.4-11 | 11.4-11.4 |
| Aces | 2.6 | 5.8 |
| Double faults | 1.3 | 2.3 |
| 1st serve % | 63.1% | 71.2% |
| Break % | 44.4% | 37% |
Estimated total games (ours)
21.4
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Chen Dong
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 22/10 | Philip Sekulic M25 Tamworth |
1-2 | 11-15 | L |
| 21/10 | Mustafa Ege Sik M25 Tamworth |
2-1 | 16-12 | W |
| 08/10 | Stefan Vujic M25 Darwin |
0-2 | 3-12 | L |
| 07/10 | Herman Hoeyeraal M25 Darwin |
2-1 | 14-14 | W |
| 01/10 | Colin Sinclair M25 Darwin |
0-2 | 10-13 | L |
| 30/09 | Makoto Ochi M25 Darwin |
2-0 | 12-6 | W |
| 10/09 | Pawit Sornlaksup M15 Nonthaburi · ~Hard |
1-2 | 12-18 | L |
| 09/09 | Dev Javia M15 Nonthaburi · ~Hard |
2-0 | 12-4 | W |
| 03/09 | Manish Sureshkumar M15 Nonthaburi · ~Hard |
0-2 | 2-12 | L |
| 02/09 | Adrian Arcon M15 Nonthaburi · ~Hard |
2-0 | 12-4 | W |
Sam Ryan Ziegann
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 22/10 | Enzo Aguiard M25 Tamworth |
1-2 | 19-20 | L |
| 21/10 | Harrison Satara M25 Tamworth |
2-1 | 14-12 | W |
| 09/10 | Philip Sekulic M25 Darwin |
0-2 | 5-12 | L |
| 08/10 | Joshua Charlton M25 Darwin |
2-0 | 13-10 | W |
| 07/10 | Luca Connaughton M25 Darwin |
2-0 | 12-5 | W |
| 30/09 | Jake Delaney M25 Darwin |
0-2 | 8-13 | L |
| 14/09 | Filip Peliwo Challenger Phan Thiet · Hard |
0-2 | 5-12 | L |
| 13/09 | Thantub Suksumrarn Challenger Phan Thiet Qual · Hard |
2-0 | 13-6 | W |
| 08/09 | Timofei Derepasko Challenger Phan Thiet · Hard |
1-2 | 13-16 | L |
| 07/09 | Yuta Kawahashi Challenger Phan Thiet · Hard |
2-0 | 12-8 | W |
Frequently asked questions
Who is the favourite in Chen Dong vs Sam Ryan Ziegann?
Our model gives 50% to Chen Dong, 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.

