Angelique Kerber

German Angelique Kerber overcame Czech Katerina Siniakova on Monday to advance to the third round in the Madrid Open tennis tournament. Kerber, who won 6-2, 1-6, 7-5 over the 20-year-old Czech, is set to meet either Russia's Maria Sharapova or Canada's Genie Bouchard in the next round, reports Efe.