Nice, France (Sports Network) - Top seeds John Isner, Gilles Simon and reigning champion Nicolas Almagro were among Wednesday's second-round winners, while a big upset came when American qualifier Brian Baker ousted fourth- seeded Frenchman Gael Monfils at the $505,000 Nice Open.
The 6-foot-9 American Isner smacked 13 aces in sneaking past capable Belgian Xavier Malisse 7-6 (7-3), 7-6 (7-5), while the heavy French crowd favorite Simon subdued Bulgarian qualifier Grigor Dimitrov 6-3, 6-3 on the red clay at Nice Lawn Tennis Club.
Meanwhile, a third-seeded Almagro, of Spain, got past France's Edouard Roger- Vasselin 7-6 (7-5), 6-4 at this final French Open tune-up.
Almagro beat Romanian Victor Hanescu in last year's Nice finale.
The 27-year-old Baker stunned Monfils in 6-3, 7-6 (11-9) fashion in 1 hour, 31 minutes.