Hingis and Hantuchova will play in New Haven, then head to the US Open thinking they can last a few rounds at least.
“Obviously, we went into it with not having big expectations,” Hingis said. “Just like touching the ground, but I feel like right now we have the level of beating and playing with the best out there.”
Taiwan’s Hsieh Su-wei and Peng Shuai of China, the third seeds and reigining Wimbledon champions defeated Vera Dushevina of Russia and Silvia Soler-Espinosa of Spain, 6-1, 6-1.
Seventh-seeds Chan Hao-ching of Taiwan and Katarina Srebotnik of Slovenia beat Russia’s Alla Kudryavtseva and Anastasia Rodionova of Australia, 4-6, 6-3, 10-6.
Additional reporting by staff writer