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DUBAI, United Arab Emirates — Andy Roddick used his strong serve to upset Rafael Nadal 7-6 (5), 6-2 on Thursday and reach the semifinals of the Dubai Tennis Championships, and then announced he has split with coach Jimmy Connors.
Roddick said Connors resigned about a week ago because he wanted to spend more time with his family.
Roddick will next face third-ranked Novak Djokovic, who beat Igor Andreev 6-2, 6-1.
Also, Nikolay Davydenko edged Andy Murray 7-5, 6-4, and Feliciano Lopez ousted fourth-ranked David Ferrer 6-4, 6-3 to reach the semifinals.
