Pashanski, Rehnquist advance at rain-delayed Swedish Open
Need the scores from any match played in this or any other tournament? Results
Massu, a Chilean who had to qualify to get into the main draw, was outplayed by the Serb from the start of the match.
"I practice quite a lot with Nico and he didn't play a very good match today," said Pashanski, who will next face defending champion David Ferrer of Spain.
Monfils made the semifinals of this year's French Open, taking a set off top-ranked Roger Federer.
Two other first-round matches were postponed due to rain.
Copyright 2008 by The Associated Press
MORE TENNIS HEADLINES
- WTA to add extra grass-court tourney in '15
- Nishikori hires Chang as part-time coach
- WTA's Brussels Open folds after 3 years
- Oudin: Overtraining caused muscle ailment