ko , ▁then ▁world ▁number ▁ 4 , ▁was ▁question ed ▁under ▁susp icion ▁of ▁match ▁fixing ▁after ▁his ▁unexpected ▁second ▁round ▁loss ▁to ▁world ▁number ▁ 8 7 ▁Martín ▁V ass allo ▁Arg ü ello , ▁ 2 - 6 , ▁ 6 - 3 , ▁ 2 - 1 ▁by ▁ret irement . ▁Online ▁bet ting ▁company ▁Bet f air ▁reported ▁its ▁susp ic ions ▁to ▁the ▁game ' s ▁gover ning ▁body , ▁the ▁Association ▁of ▁Tennis ▁Prof ession als , ▁after ▁irregular ▁bet ting ▁patterns ▁occurred . ▁Bet f air ▁took ▁the ▁un pre ced ented ▁step ▁of ▁void ing ▁all ▁bet s ▁on ▁the ▁match , ▁with ▁came ▁to ▁a ▁sum ▁of ▁around ▁£ 3 . 6 m , ▁ten ▁times ▁the ▁usual ▁amount ▁for ▁a ▁match ▁at ▁this ▁level . ▁Arg ü ello ' s ▁odd s ▁to ▁win ▁the ▁match ▁also ▁ro cket ed ▁early ▁in ▁the ▁second ▁set , ▁despite ▁being ▁in ▁a ▁losing ▁position . ▁Dav y den ko ▁retired ▁with ▁a ▁foot ▁injury ▁and ▁called ▁the ▁tra iner ▁out ▁towards ▁the ▁end ▁of ▁the ▁second ▁set . ▁ ▁Champions ▁ ▁Men ' s ▁Singles ▁▁ ▁Tommy ▁Rob red o ▁defeated ▁ ▁José ▁Ac as uso , ▁ 7 – 5 , ▁ 6 – 0 ▁It ▁was ▁Rob red o ' s ▁first ▁title ▁of ▁the ▁year ▁and ▁the ▁fifth ▁of ▁his ▁career . ▁ ▁Men ' s ▁Dou bles ▁▁ ▁Mar ius z ▁F yr sten berg ▁/ ▁ ▁Marc in ▁Mat