Tennis · W15 Luan · 08/07, 08:30

Prediction: Seo Yun Choi vs Rira Kosaka

Our model (Elo on hard, opponent-adjusted) gives 52% to Seo Yun Choi; the market gives 59% to Seo Yun Choi (odds 1.57).

Over their last 10 matches, Seo Yun Choi sits at 6-4 (W-L), while Rira Kosaka arrives on a 5-5 run.

56%1
56% 44%
Our model (Elo) vs Market Rating Elo · Seo Yun Choi 1484 · Rira Kosaka 1471
Seo Yun ChoiRira Kosaka
Our model52%48%
Market59%41%

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: Rira Kosaka makes many double faults (6/match).

Statistics

Seo Yun ChoiRira Kosaka
Win %40%40%
Win % · Hard 20% (5) 38% (8)
Sets (G-P)1-1.31.1-1.3
Games (G-P)10.1-1011-11.2
Aces11.1
Double faults1.56
1st serve %56.2%56.4%
Break %49.8%51.1%
Estimated total games (ours) 21.5

Last 10 matches played

Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.

Seo Yun Choi

WLWLW

Swipe the table sideways →

Date Opponent Sets Games Res.
07/07 Jasmine Li
W15 Luan · ~Hard
2-0 12-3 W
25/06 Miho Kuramochi
W15 Sapporo
0-2 7-13 L
24/06 Aoi Watanabe
W15 Sapporo
2-1 14-7 W
18/06 Ayumi Miyamoto
W15 Sapporo
0-2 9-13 L
17/06 Riyo Yoshida
W15 Sapporo
2-0 12-5 W
16/06 Yui Ohwaki
W15 Sapporo
2-0 12-4 W
20/05 BoYoung Jeong
W35 Changwon · ~Hard
0-2 5-12 L
12/05 Amy Zhu
W35 Andong · ~Hard
0-2 6-12 L
06/05 Hanna Chang
W35 Changwon · ~Hard
1-2 14-17 L
30/04 Rinko Matsuda
W35 Goyang · ~Hard
1-2 10-14 L

Rira Kosaka

LWLLW

Swipe the table sideways →

Date Opponent Sets Games Res.
07/07 Salakthip Ounmuang
W15 Luan · ~Hard
2-0 13-10 W
30/06 Yui Ohwaki
W15 Maanshan · ~Hard
1-2 10-10 L
25/06 Ying Zhang
W15 Sapporo
1-2 15-17 L
24/06 Mutsumi Uemura
W15 Sapporo
2-0 12-6 W
13/05 Gaeul Jang
W35 Andong · ~Hard
0-2 5-12 L
05/05 Moeka Miyata
W35 Fukuoka · ~Hard
0-2 9-13 L
22/04 Elena Micic
W35 Miyazaki · ~Hard
1-2 13-14 L
16/08 Shiho Tsujioka
UTR Pro Yokohama Women · Hard
0-2 3-12 L
15/08 Natsuki Yamagami
UTR Pro Yokohama Women · Hard
2-1 18-16 W
14/08 Sasha Sakura Stula
UTR Pro Yokohama Women · Hard
2-0 12-2 W

Frequently asked questions

Who is the favourite in Seo Yun Choi vs Rira Kosaka?

Our model gives 56% to Seo Yun Choi, 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.