Indian tennis star Rohan Bopanna and his Australian partner Matthew Ebden advanced to the semi-finals of the ATP Finals men's doubles event after defeating the pair of Wesley Koolhof and Neal Skupski in straight sets here on Friday. Bopanna-Ebden pair won 6-4, 7-6(5) over Koolhof (the Netherlands) and Skupski (Great Britain) in a Red Group qualification decider that lasted 84 minutes. (Tennis News)