WTA Luxembourg: Lottner after Petkovic task in the quarterfinals

Antonia Lottner won the German first knockout round with Andrea Petkovic at the WTA tournament in Luxembourg. The 23-year-old qualifier from Dusseldorf benefited at the score of 6: 1, however, from the injury-related task Petkovics (Darmstadt), which was plagued by pain in the bandaged left knee. In the quarter-finals Lottner meets former French Open winner Jelena Ostapenko from Latvia.