Twin brothers Bob and Mike Bryan won their second consecutive China Open doubles title here on Sunday, beating Poland's Mariusz Fyrstenberg and Marcin Matkowski in sraight sets.

The Bryans, the number 1 ranked doubles team in the world, clinched the match 6-1, 7-6 (5) before celebrating their victory with a trademark chest bump.

Rain delayed the match for one hour after the Bryans took a 6-5 lead in the second set. The polish pair served out after backing to the court to put the set into a tiebreaker, in which the Bryans won two straight points to conclude after 5-all.

The twin brothers, the US Open champion, met no challenges in the opening set as they broke three times to take 6-1. The second set went with serve until 3-all. The Polish pair broke in the seventh game to go ahead before their opponents broke back in the tenth to level the score at 5-all.