Tennis · W50 Nanao · 21/09, 06:00

Prediction: Rira Kosaka vs Natsuho Arakawa

Team pages: Rira Kosaka · Natsuho Arakawa

Prediction summary
Winner
51% 49%
Rira Kosaka Natsuho Arakawa
Estimated games
21.5
Recent form · 10 last
Rira Kosaka 5-5 (W-L)
LWWLWWLLWL
Natsuho Arakawa 5-5 (W-L)
LWLLWWLWLW
Our model (Elo) vs Market Rating Elo · Rira Kosaka 1493 · Natsuho Arakawa 1469
Rira KosakaNatsuho Arakawa
Our model53%47%
Market49%51%

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 (5.5/match).
  • Note: Natsuho Arakawa makes many double faults (4.7/match).

Statistics

Rira KosakaNatsuho Arakawa
Win %50%50%
Win % · Hard 50% (6) 0% (2)
Sets (G-P)1.3-1.21.3-1.2
Games (G-P)10.4-1111.2-10.7
Aces0.93.3
Double faults5.54.7
1st serve %53.2%64.3%
Break %48.5%45.1%
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.

Rira Kosaka

WLWWL

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Date Opponent Sets Games Res.
10/09 Kisa Yoshioka
W15 Yeongwol
1-2 12-17 L
09/09 Hee Won Ju
W15 Yeongwol
2-0 13-7 W
07/09 Eun Ji Lee
W15 Yeongwol
2-1 9-9 W
16/07 Junhan Zhang
W15 Luan · ~Hard
0-2 5-12 L
14/07 Liuyan An
W15 Luan · ~Hard
2-0 12-6 W
13/07 Xin Tong Wang
W15 Luan · ~Hard
2-1 10-10 W
08/07 Seo Yun Choi
W15 Luan · ~Hard
0-2 5-12 L
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

Natsuho Arakawa

WLLLL

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Date Opponent Sets Games Res.
15/09 Remika Ohashi
W35 Kyoto
1-2 9-11 L
02/09 Clarissa Blomqvist
W15 Monastir · ~Hard
0-2 5-12 L
26/08 Eloise Newberry
W15 Monastir · ~Hard
1-2 12-15 L
31/07 Amy Stevens
W15 Brisbane
1-2 16-14 L
30/07 Ya-Yi Yang
W15 Brisbane
2-0 13-9 W
29/07 Julie Adele Bedard
W15 Brisbane
2-0 12-3 W
26/07 Destanee Aiava
W15 Brisbane
0-2 3-12 L
25/07 Chia Yi Tsao
W15 Brisbane
2-1 14-12 W
24/07 Maiko Uchijima
W15 Brisbane
2-0 12-4 W
23/07 Belle Thompson
W15 Brisbane
2-1 16-15 W

Frequently asked questions

Who is the favourite in Rira Kosaka vs Natsuho Arakawa?

Our model gives 51% to Rira Kosaka, 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.