BEIJING, Feb. 2 (Xinhua) -- Japan's duo Ryo Tateishi and Yuta Suenaga claimed the top two spots at men's 100-meter breaststroke final at the China Swim Open here on Saturday.

　　    Tateishi and Suenaga, who occupied the central lanes in the final, finished in 1:1.58 and 1:02.10 respectively.