Johannesburg - South African Chad le Clos won his 10th gold medal of this season's Swimming World Cup on the opening day of the fourth leg in Berlin, Germany, on Saturday.
Le Clos, who bagged nine golds in the first three meetings of the series, added another in the men's 200m butterfly, touching the wall in 1:50.15.
Hidemasa Sano of Japan finished second in 1:50.58 and Britain's Michael Rock took third in 1:54.07.
Le Clos will compete in the 200m freestyle, 100m butterfly and 200m individual medley races on Sunday's final day.
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