New Delhi, Dec 8 (ANI): Switzerland's Tennis player Roger Federer said on that it was exciting and a cool moment of his career to play in India for the very first time. Federer played in India for the first time when he turned up for Indian Aces against Singapore Slammers in the third leg of International Premier Tennis League (IPTL). Federer added that International Premier Tennis League is an interesting concept to promote tennis in a country like India. Federer further stated that IPTL is a good concept to take tennis to the new market and new countries to increase fan base. The tournament kicked off in Manila, Philippines on November 28 before moving on to Singapore. After the three-day event in Delhi, the league concludes in Dubai on December 11.