More with 🇪🇸 Rafa Nadal on his 31st birthday, talking Rafael Nadal Tennis Academy with Brett Haber & Martina Navratilova at 2017 ROLAND-GARROS. 🎾🏫 #RolandGarros2017 #RG17 [Part 4 of 5] WATCH more: http://tennischannel.com/news/top-stories/birthday-boy-rafael-nadals-paris-interview-on-tennis-channel