In Dubai ahead of his first match, Grigor Dimitrov decided to feed his adrenaline addiction. XLine, a zip-line company that takes customers up skyscrapers hundreds of feet in the air, let the Bulgarian go on a ride of a lifetime.

He was admittedly nervous, but after it was all said and done Dimitrov proclaimed it was "one of the greatest things I've ever done." Unfortunately, he wouldn't get that same thrill on the court. The top seed lost to Malek Jaziri, 4-6, 7-5, 6-4.

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Dimitrov takes
flight in Dubai,
off the court

Dimitrov takes flight in Dubai, off the court

The 14th annual Desert Smash charity tennis event is Tuesday, March 6, and there are a lot of reasons to mark your calendar. Here are just five of those reasons, including the event's host, Serena Williams.

WATCH DESERT SMASH LIVE on TENNIS CHANNEL and TENNIS.com