The pair will meet in round two after Bogdanovic beat former semi-finalist Hyung-Taik Lee 6-4 6-4, and Baker saw off Alexander Peya 3-6 7-6 (7-5) 6-3.

BBC: Bogdanovic and Baker go through

Ferrer recovered from 4-1 down in the first set and will next face Roger Federer who eased past Korea's Hyung-Taik Lee 6-4 6-3 to reach the quarter-finals for the third year in a row.

BBC: SPORT | Tennis | Seeded trio falter in Monte Carlo

Spadea's fellow American, eighth-seed Mardy Fish dropped a set against Lee Hyung-taik of South Korea before winning 6-4 3-6 6-1.

BBC: Alex Bogdanovic, British tennis player