The German Tatjana Maria, 103rd in the world at 34 and mother of two little girls, qualified for the Wimbledon semi-finals on Tuesday by dismissing her compatriot Jule Niemeier (97th) 4-6, 6-2, 7-5 .
Serena Williams' return to tennis action has been cut short after doubles partner Ons Jabeur withdrew from the Eastbourne tournament because of a knee injury.