Rafael Nadal wins ATP tournament in Buenos Aires . Beats home player Juan Monaco 6-4 6-1 in final . Closes in on Guillermo Vilas ' all-time record of 49 tournament titles on clay . Nadal bidding for first French Open crown later this year .
Rafael Nadal wins ATP tournament in Buenos Aires . Beats home player Juan Monaco 6-4 6-1 in final . Closes in on Guillermo Vilas ' all-time record of 49 tournament titles on clay . Nadal bidding for 10th French Open crown later this year .