In World Tour Tennis, the duo of Mahesh Bhupathi and Max Mirnyi lost to the Canadian-Serbain combination of Daniel Nestor and Nenad Zimonjic 6-7, 4-6 in the men's doubles final in London on Sunday.The third seeded pair, Bhupathi and Mirnyi clinched their place at the Barclay's ATP World Tour finals for the third time after a strong finish to the season, which saw them, reach the final in Valencia and win their only title of the year at the BNP Paribas Masters in Paris.In the semi-finals, Bhupati and Mirnyi defeated Poland's, Mariusz Fyrstenberg and Marcin Matkowski. While Nestor and Zimonjic shocked top-seeded Bryan brothers.