Intro:

Second seed Del Potro retires with wrist injury in Dubai.

Script:

Second-seed Juan Martin del Potro retired in his first-round match against Somdev Devvarman of India after losing the first-set tiebreaker 7-3 at the Dubai Championships on Tuesday.

Del Potro has been struggling with a left wrist injury and was having difficulty coming over the ball on his backhand during the 67-minute set.

The Argentine had three set points at 0-40 on Devvarman's serve in the 12th game, but the 78th-ranked Indian won the next five points to force the tiebreaker.

Devvarman hit a service winner on his third set point in the tiebreak to give him a 7-6 first set win, however that proved to be the final point of the match.

Del Potro retired due to his wrist injury giving Devvarman a place in the next round.

Meanwhile, third-seed Tomas Berdych extended his winning streak to eight matches with a straight sets 6-3, 6-4 win over Romanian qualifier Marius Copil.