Novak Djokovic opened his Monte Carlo Masters title defence with a 6-1 6-0 demolition of Spanish qualifier Albert Montanes on Wednesday, to reach the third round.Fifth seed Tomas Berdych of the Czech Republic was made to work hard to dismiss Russian Dmitry Tursunov 7-5 6-4, while Spain's David Ferrer, the sixth seed, stormed into the third round with a 6-3 6-0 thrashing of Frenchman Jeremy Chardy.Earlier, Frenchman Michael Llodra beat Polish 16th seed Jerzy Janowicz in first-round action and French ninth seed Jo-Wilfried Tsonga struggled to secure a third-round spot in a 6-4 1-6 6-4 defeat of German Philipp Kohlschreiber.Russian Mikhail Youzhny was the other seeded casualty to go down as the 13th seed was beaten by Italian Andreas Seppi 6-3 7-6(4) in the first round.Top seed Nadal and former world number one Roger Federer, seeded fourth, enter the fray on Wednesday when they face Russian qualifier Teymuraz Gabashvili and Czech Radek Stepanek respectively in second-round matches.