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Naomi Osaka vs Sonobe Wakana Preview & Prediction | 2025 Japan Women’s Open (Kinoshita Group Japan Open) | First Round

by Paul Hassall · October 12 2025, 13:20
Naomi Osaka vs Sonobe Wakana Preview & Prediction | 2025 Japan Women’s Open (Kinoshita Group Japan Open) | First Round

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Naomi Osaka faces Sonobe Wakana at the Japan Women’s Open.

Ranking points: WTA 250

Start date/time:

Venue: Utsubo Tennis Center, Osaka, Japan

Surface: Outdoor hard

How to watch on TV: UK – Sky Sports Tennis / US – Tennis Channel

How to watch online: UK – Sky Go / US – Tennis Channel

Tickets: Visit this link for the latest Naomi Osaka vs Sonobe Wakana ticket information

Naomi Osaka vs Sonobe Wakana prediction

Naomi Osaka faces a raw, home hope in her opener in Japan.

The top seed takes on 17-year-old world number 267 Sonobe Wakana in an all-Japanese clash that will certainly have huge interest within the country. 

Sonobe has been struggling for wins at a lower level in recent months and although Osaka has only won one of three since her semi-final run at the US Open, this will be a case of how many games she drops. 

Naomi Osaka vs Sonobe Wakana tip: Under 18.5 games 

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