NEW DELHI — Spaniard Rafa Nadal remains fiercely loyal to his uncle and coach Toni despite saying he does not know when, or even if, he will win another grand slam title.
Former world number one Nadal failed to add to his 14 major titles this year as he missed out on any of the sport's four grand slams for the first time since 2004.
The 29-year-old endured a difficult year and slumped to 10th in the rankings in June, although he showed glimpses of his old power in the latter weeks of the season, beating world number four Stanislas Wawrinka and number two Andy Murray at the ATP World Tour Finals and finishing the year ranked five.