Rohan Bopanna and his Pakistani team-mate Aisam-Ul-Haq Qureshi today ended as runners up in the Sydney International Tennis tournament. In the finals, the third seeded Indo-Pak pair lost to the Canadian-Serbian combination of Daniel Nestor and Nenad Zimonjic, 6-7, 6-7. The Indo-Pak pair were chasing their fifth team title. The pair will now head to Australian Open as they aim to win their first Grand Slam. They had ended finalists at the 2010 US Open.In the Singles, the top seeded Argentine Juan Martin Del Potro captured his 18th tour-level title today as he dethroned reigning champion Bernard Tomic, 6-3, 6-1, in the finals.