Cincinnati represents their biggest title yet , their first at the Premier - 5 level .
The Chans previous three WTA doubles titles came at Shenzhen in 2013 , Eastbourne in 2014 , and Pattaya City in 2015 .
Cincinnati represents WTA 's biggest title yet , their first at the Premier - 5 level .
The Chans previous three WTA doubles titles came at Shenzhen in 2013 , Eastbourne in 2014 , and Pattaya City in 2015 .