No. 2 seed Elina Svitolina suffered a shock loss in her Linz opener, while top-seeded Karolina Muchova clinched a routine win to progress into the quarterfinal. After a first-round bye at the Austrian WTA 500 event, the Ukrainian tennis star exited in the round-of-16 after world No. 83 Anna Blinkova handed her a 6-4 6-4 defeat.