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Ivo Karlovic has served more aces than any other player since records were kept in 1991.

Karlovic Smashes US Open Aces Record

Croatian fires 61 aces in five-set win

Ivo Karlovic shattered the US Open aces match record during a grueling five-set win over Yen-Hsun Lu at Flushing Meadows Tuesday evening. Karlovic fired 61 aces – including 22 in the second set - to eclipse the previous US Open record of 49 set by Richard Krajicek in a losing effort to Yevgeny Kafelnikov in 1999.

Karlovic won 91 per cent of first serves (105/116) in the 4-6, 7-6(4), 6-7(4), 7-6(5) 7-5, win, converting the first of eight break point chances on match point to claim victory.

“I knew there were a lot of aces because there was a period [in the second set] when almost every serve was an ace. I knew there was a lot but I didn’t know it was this many,” Karlovic said of Tuesday’s haul.

Karlovic had three times previously served more than 50 aces in a tournament match (not including Davis Cup). His previous personal best was 55 in a losing effort against Lleyton Hewitt in 2009 at Roland Garros, 53 to defeat Alexandr Dolgopolov at Wimbledon last year and 51 when he lost to Daniele Bracciali at Wimbledon in 2005.

Coming into the US Open, Karlovic was second on the 2016 list of ace leaders according to Infosys ATP Scores & Stats. Karlovic had hit 774 aces in 38 matches (averaging 20.9 per match), second only to John Isner, who had hit 877 aces in 36 matches (averaging 22.5 per match).

The Croat, who has now served 11,277 aces in his career, 1000 more than second-placed Goran Ivanisevic (10,131), said he takes great pride in his ace records.  “Of course This is my best shot. I have worked a lot on it. I’m proud of it.”

Karlovic has finished as the season-long ace leader five times during his career: 2015 (1,447), 2014 (1,185), 2009 (890), 2008 (961) and 2007 (1,318). And he says he has his sights on catching Isner before the end of the year. “He is a little bit ahead but I had four matches were I wasn’t 100 percent, and I didn’t hit almost any aces. Now that I am healthy I have a chance to catch him.”

At 37, Karlovic is on the cusp of breaking back into the Top 20 of the Emirates ATP Rankings. He is now No. 23, nine below his career-high of 14 in 2008. He has won two titles since July: Newport and Los Cabos, to take his career titles tally to eight.

Isner holds the all-time Grand Slam record of 113 aces served during his legendary 70-68 fifth-set victory over Nicolas Mahut in the first round of Wimbledon, 2010.

See this year’s ATP Stats LEADERBOARD serve leaders powered by the Infosys.

See a list of the all-time aces leaders in Infosys ATP Scores & Stats.

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