In the men's draw, Belgian Xavier Malisse has pulled out, also with a wrist injury, while Spaniard Alberto Martin has ruled himself out because of an elbow injury.
The second seeds were beaten by the Israeli pair of Jonathan Erlich and Andy Ram in the Pilot Pen tournament.
Somdev Devvarman reached the singles semi-final of the Delhi Open after Ze Zhang retired mid-way due to a shoulder injury even as Ankita Raina waged a brave fight before bowing out of the women's ITF event on Friday.