Homburg: Former world number one Caroline Wozniacki had to retire from her quarterfinal match at the Bad Homburg Open on Thursday due to a knee injury while Paula Badosa was knocked out.
Danish wildcard Wozniacki was facing third-seeded American Emma Navarro and had taken the opening set in which she fell and seemed to hurt her knee.
The 33-year-old former Australian Open champion was losing 4-6, 6-1, 1-0 when she retired, with one eye on Wimbledon, which starts on Monday, where she also has a wildcard.
Spain’s former world number two Badosa, also a wildcard, struggled with double faults and Russian Diana Shnaider’s superior second serve in the second set as she lost 6-3, 7-6(3).
Shnaider will face Navarro in the semifinals.
Croatia’s Donna Vekic is also in the last four after receiving a walkover when Czech defending champion Katerina Siniakova pulled out due to a hip injury.
Vekic will play Bulgarian Viktoriya Tomova, who saved five match points in the final set tiebreak to edge Russia’s Anna Blinkova 2-6, 6-1, 7-6(9) later on Thursday, in the semis. Agencies
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