Tennis · W35 Saskatoon · 22/07, 19:00
Prediction: Erika Sema vs Kelly Keller
Prediction summary
Winner
Erika Sema
Kelly Keller
Estimated games
20.3
Recent form · 10 last
Erika Sema
7-3 (W-L)
Kelly Keller
5-5 (W-L)
Our model (Elo) vs Market
Rating Elo · Erika Sema 1491 · Kelly Keller 1497
| Erika Sema | Kelly Keller | |
|---|---|---|
| Our model | 49% | 51% |
| Market | 73% | 27% |
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: Erika Sema makes many double faults (4.9/match).
Statistics
| Erika Sema | Kelly Keller | |
|---|---|---|
| Win % | 50% | 50% |
| Win % · Hard | 43% (7) | 50% (8) |
| Sets (G-P) | 1.3-1 | 1.1-1.2 |
| Games (G-P) | 10.4-9.6 | 9.9-10.1 |
| Aces | 0.9 | 0.3 |
| Double faults | 4.9 | 3 |
| 1st serve % | 57.5% | 53.5% |
| Break % | 36.9% | 57.1% |
Estimated total games (ours)
20.3
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Erika Sema
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 17/07 | Cadence Brace W75 Granby |
1-2 | 14-14 | L |
| 15/07 | Avery Alexander W75 Granby |
2-0 | 12-2 | W |
| 13/07 | Naomi Xu W75 Granby |
2-0 | 12-4 | W |
| 25/06 | Chia Yi Tsao W35 Taipei · ~Hard |
1-2 | 8-16 | L |
| 24/06 | Sara Saito W35 Taipei · ~Hard |
2-0 | 13-9 | W |
| 16/06 | Eunhye Lee W35 Taipei · ~Hard |
1-2 | 11-16 | L |
| 07/06 | Evialina Laskevich W100 Wuning · ~Hard |
0-2 | 1-12 | L |
| 03/06 | Mei Yamaguchi W50 Wuning · ~Hard |
0-2 | 9-13 | L |
| 01/06 | Ke Ren W50 Wuning · ~Hard |
2-0 | 12-7 | W |
| 31/05 | Meng Yi Chen W50 Wuning · ~Hard |
2-0 | 12-3 | W |
Kelly Keller
Swipe the table sideways →
| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 20/07 | Scarlett Nicholson W35 Saskatoon |
2-0 | 13-10 | W |
| 07/07 | Annabelle Xu W15 Rancho Santa Fe |
0-2 | 2-12 | L |
| 02/07 | Kate Fakih W15 San Diego · ~Hard |
0-2 | 7-13 | L |
| 02/07 | Elena Goodman W15 San Diego · ~Hard |
2-1 | 16-10 | W |
| 30/06 | Jane Dunyon W15 San Diego · ~Hard |
2-1 | 10-8 | W |
| 25/06 | Midori Castillo Meza W15 Claremont · ~Hard |
0-2 | 10-13 | L |
| 24/06 | Yulia Zhytelna W15 Claremont · ~Hard |
2-0 | 13-6 | W |
| 23/06 | Simone Kay W15 Claremont · ~Hard |
2-0 | 13-9 | W |
| 02/06 | Kaitlyn Carnicella W15 Lakewood · ~Hard |
0-2 | 6-12 | L |
| 26/05 | Maiko Uchijima W35 Wichita · ~Hard |
1-2 | 9-8 | L |
Frequently asked questions
Who is the favourite in Erika Sema vs Kelly Keller?
Our model gives 62% to Erika Sema, 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.