▁and ▁Pur av ▁R aja ▁won ▁the ▁ 2 0 1 7 ▁Kno x ville ▁Ch allen ger . ▁With ▁this ▁victory ▁Pa es ▁moved ▁to ▁ 6 7 th ▁in ▁the ▁rank ings . ▁Pa es ▁and ▁Pur av ▁R aja ▁won ▁the ▁ 2 0 1 7 ▁JS M ▁Ch allen ger ▁of ▁Champ aign . ▁With ▁this ▁victory ▁Pa es ▁moved ▁to ▁ 6 3 rd ▁in ▁the ▁rank ings ▁and ▁finished ▁off ▁his ▁ 2 0 1 7 ▁season . ▁It ▁was ▁first ▁time ▁since ▁ 1 9 9 6 ▁that ▁Pa es ▁failed ▁to ▁win ▁a ▁title ▁or ▁reach ▁the ▁final ▁at ▁an ▁ATP ▁tour ▁event ▁in ▁a ▁season . ▁▁ 2 0 1 8 ▁ ▁Pa es ▁continued ▁his ▁partners hip ▁with ▁R aja , ▁losing ▁the ▁Mah ar as ht ra ▁Open ▁in ▁the ▁first ▁round ▁to ▁def ending ▁champions ▁B op anna / J ee van ▁Ned un chez hi yan . ▁In ▁the ▁Australian ▁Open , ▁Pa es / R aja ▁lost ▁in ▁the ▁round ▁of ▁ 1 6 . ▁Al ong ▁with ▁James ▁Cer ret ani , ▁Pa es ▁won ▁the ▁New port ▁Beach ▁Ch allen ger . ▁Pa es ▁along ▁with ▁James ▁Cer ret ani ▁finished ▁as ▁runner ▁up ▁in ▁the ▁Dub ai ▁Open . ▁Pa es ▁was ▁re called ▁to ▁India ' s ▁Davis ▁Cup ▁squad ▁to ▁play ▁against ▁China . ▁On ▁April ▁ 7 , ▁ 2 0 1 8 , ▁Pa es ▁became ▁the ▁most ▁successful ▁player ▁in ▁Davis