Serena defeated in Berlin forward of Wimbledon
Her group fell to Olmos and Routliffe 6-4, 6-4. BERLIN: Serena Williams suffered a straight units defeat within the Berlin Open doubles on Tuesday, hours after the affirmation of her return to Wimbledon to play alongside her older sister Venus. Williams and Czech doubles companion Karolina Muchova fell to Mexico’s Giuliana Olmos and Erin Routliffe, of New Zealand,…