In honor of WorldTennisDay and tournament tickets going on sale today, we are counting down the Top 20 Greatest Moments in BB&T Atlanta Open History. Here's #1: #1. johnrisner wins his third consecutive BB&T Atlanta Open title. The top ranked American and defending champion completed a hat trick, easily defeating Cypriot #MarcosBaghdatis​, 6-3, 6-3, for the 2015 crown. Can Isner make it 4-straight in 2016?