The Belgian started the match with two quick breaks to take a 3-0 lead. Despite Verdasco reclaiming one of the breaks, he couldn´t stop Rochus from taking the first set.
Number 13 seed Verdasco regained his footing in the second set and managed to take his opponent´s serve twice to level the match at 1 set all.
In the third set, both players held their service games until the 13th game, when the Spaniard hit again and broke Rochus to seal the match.
Verdasco will face Croatian Ivan Dodig in the next round, who beat his countryman Ivan Ljubicic 6-3 6-0. It was the last ATP Tour tennis match for Ljubicic, who decided to retire from professional tennis.
In other matches, Australian Bernard Tomic defeated Denis Istomin of Uzbekistan 6-4 6-3 and set up a second round clash against the Ukrainian 16th seed Alexandr Dolgopolov, who overpowered Juan Ignacio Chela of Argentina 6-2 6-2.