Paris:
The record had been held by giant Croat Ivo Karlovic, who fired down a 251km/h serve during a Davis Cup match against Germany in March 2011.
Groth, 24, broke the record during a defeat by Belarusian Uladzimir Ignatik in the second round of the tournament.
During the match, he also produced serves timed at 253.5km/h and 255.7km/h.
Topics mentioned in this article
Tennis
Samuel Groth
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