The #KingofClay is humble and hungry. 🇪🇸 Rafa Nadal talks the finer points of his game with Martina Navratilova at 2017 ROLAND-GARROS. #RolandGarros #RG17 [Part 3 of 4] WATCH more: http://tennischannel.com/news/top-stories/birthday-boy-rafael-nadals-paris-interview-on-tennis-channel