By Ricky Dimon Two weeks, two titles, one venue. Alexander Zverev went back-to-back in Cologne on Sunday, following up his bett1HULKS Indoors title by winning the bett1HULKS Championship. The seventh-ranked German needed only one hour and 11 minutes to thrash Diego Schwartzman 6-2, 6-1 in the final. Zverev fired nine aces without double-faulting a single time and saved the … [Read more...] about Tennis News • Zverev Does The Cologne Double, Humbert Defeats de Minaur In Antwerp