A year before he won his first Grand Slam title at Roland Garros in 2005, Rafa made his debut in India at the Chennai Open.
The Indo-Pakistan duo will take on third seeds Jarkko Nieminen of Finland and Robert Lindstedt in the championship round.
The Indo-Pakistan pair set up a second successive quarter-final meeting at the Challenger tournament in Nottingham.
The Indo-Pakistan duo beat top seeds Harel Levy of Israel and Lars Burgsmuller of Germany in the semi-finals.
Guillermo Canas won his first tournament since a 15-month doping ban when he claimed the Brazil Open.
The top seeds were given a scare by Florian Mayer and Lars\nBurgsmuller in their opening match at the Mercedes Cup.\n
The elder statesman of tennis is treasuring every moment on the summit of his fiercely competitive sport.
Argentine Guillermo Canas crushed Germany's Lars Burgsmuller 6-1, 6-0 to win the Shanghai Open on Sunday.