Andy Murray will look to extend his clay-court winning streak at the Italian Open after confirming he will play in the tournament on Wednesday.
The Briton had considered skipping Rome to rest ahead of the French Open, after winning back-to-back titles in Munich and Madrid over the last two weeks.
Murray, seeded third, will play Frenchman Jeremy Chardy on Wednesday.
World number one Novak Djokovic returns on Tuesday after missing Madrid, while Roger Federer is seeded second.
Murray beat Nadal in the Madrid final on Sunday before heading to Rome, where he practised twice on Tuesday before making his decision.