Top-seeded Peng Shuai of China and Hsieh Su-wei of Taiwan won their second Grand Slam title together by defeating Sara Errani and Roberta Vinci of Italy 6-4, 6-1 in the final of the French Open women's doubles on Sunday.
Peng and Shuai also won the women's doubles title at Wimbledon and the WTA Championships in 2013.
Peng became the first Chinese player to hold the top spot in the rankings.
The Italian team blew a 3-1 lead in the first set as Errani dropped serve three times.
Peng and Hsieh won six straight games in the second set and clinched the victory when Errani sent a forehand return wide.