Xu Chen and Ma Jin of China return a shot against Solgyu Choi and Eom Hye Won of Korea during the 2015 BCA Indonesia Open Round 2 match on June 4, 2015 in Jakarta, Indonesia. [Photo/CFP]

JAKARTA - Xu Chen and Ma Jin beat Zhang Nan and Zhao Yunlei in all China's final in the mix double at badminton's Indonesia Open?in Jakarta?on Sunday.

Xu and Ma won with 21:17 and 21:16.

Zhang ranks the first at this tournament and Xu ranks the second.

At semifinals, Xu Chen and Ma Jin defeated Denmark's Joachim Fischer Nielsen and Christinna Pedersen on Saturday, with 21:14 and 21:19.

Zhang Nan and Zhao Yunlei defeated Indonesian pair Tontowi Ahmad and Liliyana Natsir in rubber set at the semifinal on Saturday, with 16:21, 21:15 and 21:18.