Tennis · Challenger Nottingham · 05/07, 12:00
Prediction: William Jansen vs Sam Ryan Ziegann
Our model (Elo on hard, opponent-adjusted) gives 51% to William Jansen; the market gives 58% to William Jansen (odds 1.61).
Over their last 10 matches, William Jansen sits at 4-6 (W-L), while Sam Ryan Ziegann arrives on a 5-5 run.
55%1
Our model (Elo) vs Market
Rating Elo · William Jansen 1490 · Sam Ryan Ziegann 1481
| William Jansen | Sam Ryan Ziegann | |
|---|---|---|
| Our model | 51% | 49% |
| Market | 58% | 42% |
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
| William Jansen | Sam Ryan Ziegann | |
|---|---|---|
| Win % | 40% | 40% |
| Win % · Hard | 57% (7) | 50% (6) |
| Sets (G-P) | 1-1.2 | 1-1.4 |
| Games (G-P) | 10.5-10.9 | 10.9-11.7 |
| Aces | 7.9 | 3.5 |
| Double faults | 3.3 | 3.3 |
| 1st serve % | 74.4% | 65.8% |
| Break % | 37% | 53% |
Estimated total games (ours)
21.6
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
William Jansen
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 23/06 | Dev Javia M15 Kayseri · ~Hard |
1-2 | 11-17 | L |
| 13/06 | Remy Bertola Challenger Nottingham · Grass |
1-2 | 17-16 | L |
| 31/05 | Clement Chidekh Challenger Birmingham · Grass |
0-2 | 5-12 | L |
| 10/01 | Sachin Palta UTR Pro Athens · Hard |
0-2 | 6-12 | L |
| 06/01 | Jordan Chang UTR Pro Athens · Hard |
2-0 | 13-8 | W |
| 05/01 | Liam Kilmer UTR Pro Athens · Hard |
2-0 | 13-6 | W |
| 04/01 | Cyrus Ahmad UTR Pro Athens · Hard |
2-0 | 13-7 | W |
| 13/11 | Aidan Kim ITF M25 Columbus · Hard |
0-2 | 7-12 | L |
| 12/11 | Ilija Palavestra ITF M25 Columbus · Hard |
2-0 | 11-6 | W |
| 01/08 | James Story ITF M15 Dublin |
0-2 | 9-13 | L |
Sam Ryan Ziegann
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 02/07 | Ioannis Kountourakis M25 Skopje · ~Clay |
1-2 | 13-17 | L |
| 18/06 | John Hallquist Lithen M15 Gyula · ~Clay |
0-2 | 7-13 | L |
| 16/06 | Stefan Seifert M15 Gyula · ~Clay |
2-1 | 14-15 | W |
| 10/06 | Jeremy Gschwendtner M15 Curtea de Arges · ~Clay |
0-2 | 4-12 | L |
| 04/06 | Imran Daniel Abdul Hazli M15 Luan · ~Hard |
1-2 | 16-16 | L |
| 03/06 | Alexey Aleshchev M15 Luan · ~Hard |
2-0 | 12-2 | W |
| 28/05 | Shu Muto M15 Luan · ~Hard |
0-2 | 5-12 | L |
| 27/05 | He Ziheng M15 Luan · ~Hard |
2-0 | 12-2 | W |
| 22/05 | Noritaka Koizumi M15 Luan · ~Hard |
0-2 | 7-13 | L |
| 20/05 | Shintaro Imai M15 Luan · ~Hard |
2-1 | 19-15 | W |
Frequently asked questions
Who is the favourite in William Jansen vs Sam Ryan Ziegann?
Our model gives 55% to William Jansen, 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.