Protecting champion and three-time victor Lucie Safarova pulled back from the Prague Open on Wednesday as Caroline Wozniacki slammed out in the second round. Safarova was because of face Czech comrade Kristyna Pliskova yet was compelled to haul out through disease.
The fifth seed had been enduring with the disease before the competition, yet her condition has since declined. In the interim second seed Wozniacki succumbed to Jelena Ostapenko, who required six match focuses and spared one herself to assert a third progressive win over the previous world number one.
Ostapenko held three match focuses at 5-3 up in the third however observed Wozniacki win three straight amusements before the Latvian recuperated to drive a tie-break and in the long run win 5-7 6-3 7-6 (7-5).
Samantha Stosur, beaten finalist a year ago, was another to endure a moment round leave, the fourth seed dazed 6-3 6-2 by Brazilian qualifier Beatriz Haddad Maia. Eighth seed Katerina Siniakova needed to originate from a set down to beat Natalia Vikhlyantseva 4 6-4 6-4.
There were no such issues for third seed Barbora Strycova in her 6-3 7-5 triumph over Lucie Hradecka, while seventh seed Ana Konjuh overcame Marketa Vondrousova 6-4 7-6 (7-2). Somewhere else in the draw there were wins for Mona Barthel and Camila Giorgi