Multiple choice general knowledge Paes won his _ grand slam title in US Open 2009 8 9 10 11 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Leander Paes won his 10th Grand Slam title at the 2009 US Open, winning the men's doubles with Lukas Dlouhy. This completed his career Grand Slam in doubles. The progression was: his 10th major title came at that tournament.