Frenchmen Jo-Wilfried Tsonga and Richard Gasquet along with Scot Andy Murray were among the early winners Saturday in the second round of the Sony Open.
The second-seeded Murray had little difficulty in his matchup with Australia's Bernard Tomic as he took a 6-3, 6-1 victory that lasted just under 57 minutes.
The sixth-seeded Tsonga battled through a tough first set before earning a 7-6 (8-6), 6-3 win over Serbia's Viktor Troicki, while the eighth-seeded Gasquet posted a 7-5, 6-2 triumph over Belgian qualifier Olivier Rochus.
Tsonga will next play Jarkko Nieminen in the third round. The Finnish veteran eased past Slovakia's Martin Klizan, 6-2, 6-2.
Spain's Nicolas Almagro, seeded 10th, blew past Argentine wild card Guido Pella 6-0, 6-3 in just 48 minutes and 29th-seeded Bulgarian Grigor Dimitrov advanced when his opponent, Italian Simone Bolelli, retired in the second set with an injury.
Other winners Saturday included 16th-seeded Andreas Seppi of Italy and American Sam Querrey. Seppi needed three sets to dispose of Slovenia's Aljaz Bedene, 7-5, 5-7, 7-5, while Querrey rallied from a set down to beat Poland's Lukas Kubot, 4-6, 6-3, 6-3.
Russia's Mikhail Youzhny, the 28th seed, needed all three sets to take out Yen-Hsun Lu of Chinese Taipei 6-3, 1-6, 6-0 while 20th-seeded American John Isner rallied from a first-set loss to take a 4-6, 7-5, 7-6 (7-5) victory over Ivan Dodig of Croatia
A pair of minor upsets saw Belgian David Goffin toppled big-serving 18th- seeded German Philipp Kohlschreiber, 7-6 (7-5), 4-6, 6-2, while Brazilian Thomaz Bellucci took a 7-6 (7-5), 3-6, 6-3 victory over 21st-seeded Pole Jerzy Janowicz.