The 35-year-old Spaniard is the 13th man from his country to tick the milestone.
"For the clay court season this year, I'm really optimistic," US Open champion said of lofty dirt goals.
The Spaniard hopes to play in Madrid but he's not going to rush if he doesn't feel right.
The 16-year-old Russian is working with the former Wimbledon champion for the first time this week in Rouen, France.
The King of Clay is realistic about his future, and hopeful about the present.
The World No.1 announced the news and unveiled an eye-catching photo spread.
The Spaniard is still not healthy and plans to start his clay season in Madrid.