Ivo Karlovic breaks aces record in Berdych win at Gerry Weber Open

Ivo Karlovic serves
Ivo Karlovic shared the previous record of 44 aces with Australian Mark Philippoussis

Croatia's Ivo Karlovic broke the record for most aces served in a three-set ATP Tour match in his victory over Czech Tomas Berdych at the Gerry Weber Open.

The world number 27, who is 6ft 10ins, fired 45 aces in a 7-5 6-7 (8-10) 6-3 win over the third seed in Halle.

He will play seven-time champion Roger Federer in the semi-finals after the Swiss beat Florian Mayer 6-0 7-6 (7-1).

French fourth seed Gael Monfils retired injured from his quarter-final and is now a doubt for Wimbledon.

Monfils crashed into a side wall when trailing 6-1 1-0 to Italy's Andreas Seppi and has been diagnosed with an adductor strain.

Seppi will face Japanese second seed Kei Nishikori, who overcame Poland's Jerzy Janowicz 6-4 5-7 6-3.

The 36-year-old Karlovic, who shared the previous record of 44 aces with Australian Mark Philippoussis, said: "I always like when I'm best at something, so if it's aces I'm happy about it," he said.

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