I'll stop when my body tells me to, says Federer

FILE PHOTO: Tennis - ATP Finals - The O2, London, Britain - November 14, 2019 Switzerland's Roger Federer celebrates after winning his group stage match against Serbia's Novak Djokovic REUTERS/Toby Melville

(Reuters) - Roger Federer first thought about how long his playing career would last in 2009 but a decade later the 38-year-old is still going strong and says he will keeping playing until his body decides otherwise.

Federer won his last Grand Slam in January 2018 when he claimed his sixth Australian Open but the Swiss has won seven ATP titles since then, taking his career tally to 103.