Mayumi Ouchi

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Mayumi Ōuchi
Personal information
Full name	Mayumi Ōuchi
Nickname	The Wave Rider
Born	(1979-05-16) 16 May 1979 (age 45) Yokosuka, Kanagawa Prefecture, Japan
Home town	Yokosuka, Japan
Darts information
Playing darts since	2003
Darts	20g Dynasty
Laterality	Right-handed
Walk-on music	Uptown Funk by Mark Ronson ft Bruno Mars
Organisation (see split in darts)
BDO	2004–2020
WDF	2004–
Current world ranking	(WDF W) 52 10 (8 December 2024)[1]
WDF major events – best performances
World Ch'ship	Last 16: 2024
World Masters	Semi Final: 2022
Other tournament wins
Hong Kong Open 2011, 2014 Japan Open 2007, 2008, 2009, 2014, 2019, 2023 Bud Brick Memorial 2022
Medal record Women's Darts Representing  Japan WDF World Cup 2019 Cluj Women's pairs 2005 Perth Women's singles WDF Asia-Pacific Cup 2024 Taipei Women teams 2004 Singapore Women's pairs 2008 Palmerston Women's pairs 2014 Hong Kong Women's pairs 2004 Singapore Women's singles 2006 Kuala Lumpur Women's pairs 2010 Tokyo Women's singles 2010 Tokyo Women's pairs 2012 Darwin Women's singles 2012 Darwin Women's pairs 2014 Hong Kong Women's singles 2024 Taipei Women's singles

Mayumi Ōuchi (大内麻由美, Ōuchi Mayumi, born 16 May 1979) is a Japanese professional darts player who plays in World Darts Federation (WDF) and other national events. She is a six-time Japan Open champion and she represented her country ten times at the World Masters, where she advanced to the semi-finals in 2022. One of the most successful darts players from Japan and the first WDF World Cup women medalist from this country.

Her first international success was winning a silver medal at the 2004 WDF Asia-Pacific Cup in women's pairs competition, with the best Japanese women darts player at this time Yukari Nishikawa. In the final match they lost 0–4 in legs to Megan Smith and Jannette Jonathan from New Zealand and take the silver medal. Her first single achievement came a year later during the 2005 WDF World Cup, where she advanced to semi-finals and lost 0–4 in legs to Clare Bywaters, ending the game with a bronze medal.

In 2012, Ōuchi was invited to participate in the Professional Darts Corporation (PDC) tournament 2012 DPA Tournament of Champions held in Australia. In the first round match, she was defeated by Graham Filby from South Africa.^[2]

Her father, Masatami Ōuchi was also a darts player, with some success at the national level in 2003–2007. Besides darts, Mayumi is also a surfing amateur.

• 2023: First round (lost to Kirsty Hutchinson 0–2)
• 2024: Second round (lost to Aileen de Graaf 0–2)

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