Top seeds Mahesh Bhupathi [ Images ] and Max Mirnyi [ Images ] advanced to the doubles semi-finals, while Leander Paes [ Images ] and David Rikl bowed out of the 2.45 million dollar ATP Masters tennis tournament in Montreal, Canada [ Images ].

Bhupathi and Mirnyi of Belarus defeated Wayne Arthus and Paul Hanley [ Images ] of Australia [ Images ] in two tough sets 7-6 (10/8), 7-6 (7/5) on Friday to book a place in the last four.

But the fifth seeded pair of Paes and Czech Republic's Rikl went down to second seeds Bob and Mike Bryan [ Images ] of USA 3-6, 4-6 in the quarterfinals.

Bhupathi and Mirnyi will now take on Cyril Suk and Martin Damm [ Images ] of Czech Republic after the sixth seed pair beat James Blake [ Images ] of USA and Joshua Eagle of Australia 6-2, 3-6, 6-4.

In the other semi-final, Bob and Mike Bryan will face the fourth seed pair of Jonas Bjorkman [ Images ] of Sweden and Todd Woodbridge of Australia.