German tennis star Sabine Lisicki reached the doubles semi-finals at the lawn tennis tournament in Berlin on Thursday, after an unexpected win. Lisicki and her Canadian partner Bianca Andreescu surprised the third seeded American-Japanese duo Asia Muhammad and Ena Shibahara 7-6 (7-4), 1-6, 10-7. Lisicki and Andreescu will next face top seeds Storm Sanders/Katerina Siniakova in the semi-finals of the €790,000 event. The Australian-Czech duo won 3-6, 7-6 (7-5), 12-10 against Nicole Melchiar-Martinez of the US and Ellen Perez of Australia. Earlier, Swiss Olympic champion Belinda Bencic reached th…