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All sports Site
Japan
Yuma Kosaka is a swimmer who competes internationally for Japan. His last result is the 4th place for the men's 100 m medley during the Fina Swimming World Cup 25m in Tokio 2011. He competes in 100 m breaststroke, 100 m medley, 1500 m freestyle, 200 m medley and 400 m medley.
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