PRAGUE, Czech Republic – Lucie Safarova’s clay court revival at the J&T Banka Prague Open gathered further momentum on Thursday with a straight set win over Hsieh Su-Wei.

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Going into her home tournament, Safarova had not registered a win all season, but after unraveling Hsieh’s unorthodox game in two tight sets she now has three in as many days.

In a topsy-turvy encounter, Safarova failed to serve out the opening set at 5-4, before coming within a few points of losing it two games later. In the tie-break, it was the Czech that held her nerve, taking it when Hsieh miscued a backhand into the tramlines.

Hsieh continued to pose problems in the second set, but once again it was Safarova that came out on top at the crucial moments, returning from a late rain delay to reach the semifinals 

Safarova’s 7-6(3), 7-5 victory followed on from an even more impressive performance from her compatriot and next opponent, Karolina Pliskova. Eager to minimize her time exposed to the elements on another chilly day in the Czech capital, defending champion Pliskova blew away Camila Giorgi, 6-2, 6-1, in just 51 minutes.

Pliskova and Safarova met only last week in Stuttgart, the former coming through a third set shootout, to add to victories over her Fed Cup teammate the previous year in Antwerp and Dubai.

Following her showing in Stuttgart and her run this week Safarova is feeling positive heading into the rematch. “I was on the way back already in Stuttgart, where I had a great match, and I was hoping the results would come. I’m happy and excited that it’s going this well.

“It was a tough match today; she’s always a very tricky player, defending the court very well and I’m very excited to be through to the semis.”