Fourth seeded pair of Leander Paes and Martin Damm won their second round match in the Gold Group at the Tennis Masters Cup in Shanghai on Tuesday.
The Indo-Czech pair, who hasn't lost a set so far, beat eighth seeded Israeli pair of Jonathan Erlich and Andy Ram 6-4, 7-5.
The top two teams from the Red and Gold Groups will qualify for the semi-finals.
Paes and Damm had earlier beaten defending champions Jonas Bjorkman and Max Mirnyi in their opening match on Sunday.