▁sus pected ▁brain ▁tum our ▁that ▁was ▁later ▁found ▁to ▁be ▁ne uro c yst ic er cos is , ▁a ▁par as it ic ▁brain ▁in fection . ▁He ▁had ▁to ▁miss ▁the ▁US ▁Open , ▁but ▁recovered ▁by ▁the ▁end ▁of ▁that ▁year . ▁ ▁In ▁the ▁ 2 0 0 4 ▁Ath ens ▁Olympic ▁Games , ▁he ▁pa ired ▁up ▁with ▁Bh up ath i , ▁failing ▁again ▁at ▁the ▁semif inals ▁stage . ▁His ▁next ▁Grand ▁S lam ▁success ▁was ▁in ▁the ▁US ▁Open ▁doubles ▁event ▁in ▁ 2 0 0 6 ▁with ▁Martin ▁D amm . ▁Pa es ▁led ▁the ▁Indian ▁tennis ▁team ▁at ▁the ▁D oh a ▁Asian ▁Games ▁in ▁ 2 0 0 6 ▁and ▁won ▁two ▁g olds ▁in ▁the ▁men ' s ▁doubles ▁( with ▁Bh up ath i ) ▁and ▁mixed ▁doubles ▁( with ▁San ia ▁Mir za ). ▁Pa es ▁maintained ▁his ▁doubles ▁ranking ▁in ▁the ▁top ▁ 2 0 ▁in ▁the ▁world ▁between ▁ 2 0 0 5 ▁and ▁ 2 0 0 7 . ▁With ▁wins ▁in ▁the ▁Rot ter dam ▁and ▁Indian ▁Well s , ▁Pa es ▁took ▁his ▁doubles ▁t ally ▁to ▁ 3 8 . ▁▁ 2 0 0 8 ▁ ▁Pa es / B h up ath i ▁took ▁part ▁in ▁men ' s ▁doubles ▁at ▁the ▁ 2 0 0 8 ▁Be ij ing ▁Olympics . ▁They ▁were ▁elimin ated ▁in ▁the ▁quarter - final s ▁by ▁Roger ▁Feder er ▁and ▁Stanis las ▁W aw