▁ATP ▁Ch allen ger ▁Tour ▁for ▁the ▁first ▁time ▁since ▁ 2 0 1 0 , ▁at ▁the ▁tournament ▁in ▁Sz cz ec in , ▁where ▁he ▁won ▁the ▁nin th ▁ATP ▁Ch allen ger ▁Tour ▁singles ▁title ▁of ▁his ▁career . ▁In ▁October , ▁he ▁lost ▁in ▁the ▁singles ▁quarter final s ▁of ▁three ▁tournament s ▁- ▁Tokyo , ▁Shang hai ▁and ▁Vienna . ▁ ▁Gas quet ▁helped ▁France ▁win ▁the ▁ 2 0 1 7 ▁Davis ▁Cup ▁by ▁winning ▁( he ▁was ▁pa ired ▁with ▁Pierre - H ug ues ▁Herbert ) ▁the ▁doubles ▁match ▁in ▁the ▁final ▁against ▁Belg ium . ▁▁ 2 0 1 8 : ▁ 5 0 0 th ▁career ▁singles ▁win ▁on ▁the ▁ATP ▁Tour , ▁with d rew ▁from ▁Davis ▁Cup ▁final ▁Gas quet ▁played ▁his ▁first ▁tournament ▁of ▁the ▁year ▁in ▁D oh a . ▁Se eded ▁No . ▁ 5 , ▁he ▁defeated ▁V í ctor ▁Est rel la ▁Burg os ▁in ▁the ▁first ▁round ▁before ▁losing ▁to ▁qual ifier ▁Stefan os ▁Ts its ip as ▁in ▁the ▁second ▁round . ▁Gas quet ▁lost ▁in ▁the ▁singles ▁third ▁round ▁of ▁the ▁Australian ▁Open ▁to ▁Roger ▁Feder er ▁in ▁straight ▁sets , ▁his ▁nin th ▁consecutive ▁loss ▁to ▁Feder er . ▁In ▁the ▁ 2 0 1 8 ▁Davis ▁Cup ▁World ▁Group ▁first ▁round ▁tie ▁against ▁the ▁Netherlands , ▁he ▁beat ▁Robin ▁Ha ase ▁in ▁four ▁sets ▁in ▁the ▁second ▁singles ▁rub ber ▁to ▁level ▁the ▁score ▁at ▁ 1 - 1 ; ▁France