Federer beat Monaco 6-1, 6-2, 6-0. The third seed thrashes Monaco in straight sets, losing just 3 games.
Tsonga beat Fish 6-4, 6-7(5), 3-6, 6-4, 6-2. The 11th seed needs 5 close sets to overcome the in-form, eighth seed.
Djokovic beat Dogopolov 7-6(14), 6-4, 6-1. The top seed has to work very hard to take the 1st set and since then goes on to beat the 22nd seed in straight sets.
S Williams beat Ivanovic 6-3, 6-4. The 28th seed eases past the 16th seed in straight sets.
Wozniacki beat Kuznetsova 6-7(6), 7-5, 6-1. The top seed needs 3 sets to overcome the 16th seed and advance to the next round.
Petkovic beat Suarez Navarro 6-1, 6-4. The 10th seed eases past Suarez Navarro in straight sets.