▁Dub ai . ▁While ▁her ▁I TF ▁level ▁results ▁managed ▁to ▁keep ▁her ▁inside ▁the ▁top ▁ 1 0 0 , ▁non eth eless , ▁her ▁year - end ▁ranking ▁of ▁No . ▁ 9 6 ▁marked ▁her ▁worst ▁finish ▁in ▁ten ▁years . ▁▁ 2 0 1 7 : ▁First ▁top - ten ▁victory ▁While ▁H s ie h ▁continued ▁to ▁play ▁a ▁he fty ▁chunk ▁of ▁I TF ▁tournament s ▁during ▁the ▁ 2 0 1 7 ▁season , ▁she ▁also ▁managed ▁to ▁post ▁more ▁respect able ▁results ▁on ▁the ▁W TA ▁tour . ▁Though ▁she ▁only ▁managed ▁to ▁improve ▁her ▁year - end ▁singles ▁ranking ▁by ▁one ▁pla cement , ▁up ▁to ▁No . ▁ 9 6 , ▁she ▁had ▁arg u ably ▁her ▁biggest ▁singles ▁break out ▁in ▁over ▁four ▁years ▁at ▁the ▁French ▁Open . ▁Rank ed ▁outside ▁the ▁top ▁ 1 0 0 ▁going ▁into ▁the ▁tournament , ▁H s ie h ▁pulled ▁off ▁the ▁biggest ▁win ▁of ▁her ▁career ▁by ▁defe ating ▁reign ing ▁Miami ▁Open ▁champion ▁and ▁world ▁No . ▁ 8 , ▁Johann a ▁Kont a , ▁in ▁the ▁first ▁round , ▁her ▁first ▁ever ▁singles ▁victory ▁over ▁a ▁top - 1 0 ▁player . ▁She ▁then ▁defeated ▁Taylor ▁Town send ▁to ▁advance ▁to ▁the ▁third ▁round ▁for ▁the ▁first ▁time ▁at ▁the ▁French ▁Open , ▁and ▁the ▁first ▁time ▁at ▁any ▁Grand ▁S lam ▁since ▁W im ble don ▁in ▁ 2 0 1 2 . ▁She ▁was ▁defeated ▁by ▁h omet own