Kiwi Michael Venus and his Croatian partner Mate Pavic have made a strong start to the doubles at the ATP Tour's Shenzhen Open in China.

The third seeds fresh from losing the final in Metz at the weekend, have beaten a Chinese wildcard pair 6-4,6-2 to reach the quarter finals.

Meanwhile world number one Angelique Kerber has been beaten in the third round of the WTA Tour's Wuhan Open 6-7, 7-5, 6-4 by Czech Petra Kvitova.