Roger Federer has eased into the third round of the latest Masters tennis tournament in Florida with a straight sets victory over American qualifier Kevin Kim.
The world number two was never in any danger against 30-year-old Kim, the world number 107, and saved all five of the break points against him on the Key Biscayne hardcourt.
Third seed Novak Djokovic beat Canadian Frank Dancevic in straight sets.
The Miami crowd turned out in numbers for local favourite Andy Roddick, the world number six, who thumped Argentine Diego Junqueira 6-1 6-1 on the stadium court inside 56 minutes.
Russian Marat Safin and his sister Dinara Safina also advanced.
Safin, the 22nd seed, put out Spain's Oscar Hernandez in 3 and world number two Safina swept aside Mathilde Johansson of France in 2.
Fourth seed Elena Dementieva had to fight hard for a 3 set win over fellow Russian Anastasia Pivovarova.
Seventh-seeded Serb Ana Ivanovic dealt comfortably with Ukrainian qualifier Mariya Koryttseva 6-love, 6-3.