Naoya Tomita upstaged two-time Olympic champion Kosuke Kitajima to win the men's 200-meter breaststroke in a short-course national record on the first day of a World Cup meet on Wednesday.
Tomita clocked 2 minutes, 3.18 seconds in the 25-meter pool at Tokyo Tatsumi International Swimming Center, while Kitajima, who advanced to the final with the fastest time in the heats, placed fourth in 2:06.
Takeshi Matsuda also set a new Japanese short-course mark in winning the men's 200 butterfly in 1:50.64, as did Tomoko Hagiwara in finishing sixth in 24.91 in the women's 50-meter freestyle won by Hinkelien Schreuder of the Netherlands in 24.09.
In the men's 100 backstroke, Junya Koga clocked 51.06 to place second behind American Peter Marshall (50.94).