Martin Meissner
June 19, 2015

HALLE, Germany (AP) Ivo Karlovic fired a remarkable 45 aces and upset the third-seeded Tomas Berdych 7-5, 6-7 (8), 6-3 to advance to the Gerry Weber Open semifinals on Friday.

Karlovic made the first break at 5-5 following a Berdych double fault.

The eighth-seeded Croat fought back to level the second set tiebreaker after Berdych missed three set points, but he missed a match point and hit a return into the net for the Czech to take the set.

Karlovic went 3-1 up in the third, held his serve, and finished the match in 2 hours, 12 minutes with yet another ace.

The 27th-ranked Karlovic will next play either Roger Federer or Germany's Florian Mayer.

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