Rory McIlroy at Caroline Wozniacki’s tennis exhibition

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Rory McIlroy was in New York City Monday to watch girlfriend Caroline Wozniacki (foreground) play Maria Sharapova at the BNP Paribas Showdown.
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Before the match, Wozniacki invited McIlroy to come on the court where he "served" to Sharapova.
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The event, which took place at Madison Square Garden, was an exhibition match between the two tennis stars.
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McIlroy moved to No. 1 in the Official World Golf Ranking on Monday for the first time in his career.
5 of 6 Bill Kostroun/AP
McIlroy becomes the 16th player to reach No. 1. At 22, he is the second-youngest golfer to accomplish the feat behind Tiger Woods, who rose to No. 1 at the age of 21.
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Wozniacki was the No. 1-ranked female tennis player in the world until recently. She is currently ranked No. 4.