Tennis · W15 Luan · 09/07, 05:30

Prediction: Seo Yun Choi vs Ikumi Yamazaki

Our model (Elo on hard, opponent-adjusted) gives 55% to Ikumi Yamazaki; the market gives 69% to Ikumi Yamazaki (odds 1.36).

Recent form leaves Seo Yun Choi with 6 wins and 4 losses over 10 games; Ikumi Yamazaki has piled up 6-4 in the same span.

63%2
37% 63%
Our model (Elo) vs Market Rating Elo · Seo Yun Choi 1514 · Ikumi Yamazaki 1549
Seo Yun ChoiIkumi Yamazaki
Our model45%55%
Market31%69%

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: Ikumi Yamazaki makes many double faults (4.4/match).

Statistics

Seo Yun ChoiIkumi Yamazaki
Win %50%70%
Win % · Hard 40% (5) 70% (10)
Sets (G-P)1.1-1.11.5-0.9
Games (G-P)10.3-9.111.7-9.8
Aces0.91.3
Double faults1.54.4
1st serve %57.3%63.2%
Break %55.6%49.5%
Estimated total games (ours) 21

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

LWLWW

Swipe the table sideways →

Date Opponent Sets Games Res.
08/07 Rira Kosaka
W15 Luan · ~Hard
2-0 12-5 W
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

Ikumi Yamazaki

LLWLW

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Date Opponent Sets Games Res.
08/07 Xiaowei Li
W15 Luan · ~Hard
2-0 12-1 W
02/07 Anna Snigireva
W15 Maanshan · ~Hard
0-2 8-13 L
30/06 Ke Ren
W15 Maanshan · ~Hard
2-0 12-7 W
24/06 Aishi Das
W35 Taipei · ~Hard
0-2 6-12 L
17/06 Hiromi Abe
W35 Taipei · ~Hard
1-2 11-14 L
14/06 Hikaru Sato
W15 Tokyo · ~Hard
2-1 14-14 W
13/06 Mayuka Aikawa
W15 Tokyo · ~Hard
2-0 12-5 W
12/06 Natsuki Yoshimoto
W15 Tokyo · ~Hard
2-1 15-13 W
11/06 Nao Nishino
W15 Tokyo · ~Hard
2-1 14-12 W
10/06 Monique Barry
W15 Tokyo · ~Hard
2-0 13-7 W

Frequently asked questions

Who is the favourite in Seo Yun Choi vs Ikumi Yamazaki?

Our model gives 63% to Ikumi Yamazaki, 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.