Tennis Kirsten Flipkens (WTA 58) in the quarter-finals of the WTA-tournament in the Mexican Monterrey (hard/ $ 250,000) against the German Angelique Kerber (WTA 5), the first seed.

Kerber defeated in the second round of the Czech Karolina Muchova (WTA 109) with 6-3 and 6-4. Flipkens had previously been the Slovenian Dalila Jakupovic (WTA 92) knocked off two-time 6-3.

It is the fourth mutual duel between the 33-year-old Flipkens and the 31-year-old Kerber. In the three previous meetings and drew the German at the longest end. Their last game of Wimbledon 2017. When won Kerber in the second round with a 7-5 and 7-5.

Kiki Bertens won her title does not extend

Kiki Bertens will not succeed as the winner of the WTA-tournament in the American Charleston (823.000 dollar). The number six of the world lost on the green clay courts in the eighth-finals with a 7-6 (10/8) 6-3 by Greek Maria Sakkari (WTA 50).

The next opponent of Sakkari is the Danish Caroline Wozniacki (WTA 13). The ex-number one was with 6-4, 3-6 and 6-3 is too strong for Romanian Mihaela Buzarnescu (WTA 30). The American topreekshoofd Sloane Stephens (WTA 8) defeated the Australian Ajla Tomljanovic (WTA 39) with 4-6, 6-4 and 6-4. She is now her compatriot Madison Keys (WTA 18).

Elise Mertens (WTA 17) in the second round (sixteenth-finals), against the Estonian Kaia Kanepi (WTA 82).