Fifth-seeded Bernard Tomic of Australia and seventh-seeded Denis Istomin of Uzbekistan won Tuesday to reach the second round of the Open de Nice.
Tomic beat Lukas Lacko of Slovakia 6-2, 6-3, breaking serve twice in each set. He next plays Mikhail Kukushkin of Kazakhstan, who eased past big-serving Sam Querrey 6-2, 7-5.
Istomin advanced with a 7-6 (3), 1-6, 6-1 victory over Alejandro Falla of Colombia. That sets up a match with Russia's Nikolay Davydenko, who defeated Matthew Ebden of Australia 6-3, 6-3.
Xavier Malisse of Belgium beat Lu Yen-Hsun of Taiwan 7-5, 6-4; Grigor Dimitrov of Bulgaria defeated Dudi Sela of Israel 7-5, 6-1; and Edouard Roger-Vasselin topped Benoit Paire 6-4, 7-6 (2) in an all-French match.