Maximo Gonzalez of Argentina also advanced at the clay-court tournament with a 4-6, 6-3, 6-1 victory over Joao Souza of Brazil.
Defending champion Thomaz Bellucci of Brazil was due to play Rui Machado of Portual later in a second-round match. Sixth-seeded Tommy Robredo of Spain was scheduled to play a late match against Brazil's Ricardo Mello.
Nadal set for Mallorca roleTsonga makes winning return in Qatar