MUNICH — Victor Estrella Burgos advanced to the second round of the BMW Open by beating Viktor Troicki 7-6 (4), 6-4 Monday.
In the other main-draw match, wild-card entry Alexander Zverev rallied to beat Benjamin Becker 4-6, 6-1, 6-2, hitting 11 aces.
Andy Murray is the top-seeded player in the clay-court event, and has a bye in the first round. Second-seeded Gael Monfils has pulled out with a knee injury.