Aussie qualifier downs Karlovic in Florida

Australian qualifier John-Patrick Smith has upset underdone third seed and defending champion Ivo Karlovic in the first round of the ATP Tour’s Delray Beach Open in Florida.

The 27-year-old Smith, ranked No.135 in the world, finished strongly to overpower Croatia’s world No.26 6-3 3-6 6-2 on Monday and will take on either Juan Martin Del Potro or Denis Kudla in round two.

Karlovic was especially erratic on serve, sending down 21 aces but racking up 11 double faults.

An old knee injury flared up for Karlovic at the Australian Open, forcing the 36-year-old to retire from his first-round match and sidelining him from the practice courts ever since.

Though Karlovic gamely tried to serve his way past Smith, his rust was evident.

The win was just the fourth main-draw victory of Smith’s career and his second-best win. A four-time All-American at the University of Tennessee, Smith upset No.25 Bernard Tomic en route to the semi-finals at Newport last year.

Earlier, fourth-seed Grigor Dimitrov persevered through a four-hour rain delay and wind gusts greater than 48km/hr to defeat Israeli Dudi Sela 6-4 6-2.

Also advancing was eighth-seeded Frenchman Adrian Mannarino, a semi-finalist last year, who dispatched Tunisian Malek Jaziri 1-6 6-3 6-1.

So difficult were the conditions that Dimitrov and Sela continually found themselves catching errant ball tosses and chasing looping shots that started as forehands but blew to the backhand side.

“It was rough, very hard to control the ball,” said Dimitrov. “Things were flying all over the court. You just have to prepare mentally and keep moving your feet.”

Dimitrov was playing in his first ATP tournament since a third-round loss to Roger Federer at the Australian Open.

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