Casablanca - Flavio Cipolla defeated second-seeded Alexandr Dolgopolov 6-4, 6-1 on Wednesday and Igor Andreev rallied to beat No. 4 Denis Istomin 6-7 (3/7), 6-3, 6-2 as both reached the Grand Prix Hassan II quarter-finals.
Cipolla did not face a single break point while breaking Dolgopolov's serve twice in the first set. The Italian then quickly broke Dolgopolov twice at the start of the second set.
Cipolla will next face Benoit Paire of France, who saved 12 of 14 break points en route to a 6-7 (3/7), 6-3, 6-2 win over Matthias Bachinger of Germany.
Andreev saved eight of nine break points and broke Istomin four times. He will next play Guillermo Garcia-Lopez of Spain, who comfortably beat Paul-Henri Mathieu of France 6-4, 6-2.