Federer has won 20 Grand Slams, including a record eight Wimbledon titles.
Federer has joined Uniqlo with a new deal that is reportedly worth over $300 million.
However, former British number one turned commentator, Tim Henman, believes that Rafael Nadal, who enjoyed a scintillating clay court season, could be capable of beating Federer in London this year.
"I'm very happy, I felt good from the start too which was nice and that was not the case past year against him. Luckily I opened really nicely and got a double break in the first set and Yoshihito later in the second and third showed good tennis", said Cilic.
"It was a really nice feeling".
After breaking serve twice, the 22-year-old Croat needed only one set point and 25 minutes to wrap up the first set.
The 36-year-old Swiss player first signed with Nike in 1994.
Federer was joined in the second round by the man he defeated in the 2017 final, Marin Cilic.
Cilic will meet the victor of the Jason Kubler and Guido Pella match in the second round.
Croatia's Donna Vekic sent the first top seed tumbling out of Wimbledon yesterday when she beat a rusty and out-of-sorts Sloane Stephens 6-1, 6-3 to claim her biggest career victory.
Federer went on to defeat Dusan Lajovic in straight sets in his opening match at Wimbledon.
Williams, who gave birth to her daughter in September, won the last of her crowns at SW19 in 2016, which was also the last time that she competed in south London.
The likes of Alexander Zverev and Novak Djokovic will also play on Tuesday and while Navratilova pinpointed the pair as the likeliest to upset Nadal and Federer, she believes everyone knows which final they would like to watch in just under two weeks' time.
Wawrinka, whose ranking has slumped to 225 after knee surgery, had lost his last four matches against Dimitrov.
The seven-time Wimbledon victor admits that coping with the British weather conditions is tough, but balancing her schedule around quality time with her daughter can be even trickier.
Viewers in the US will be able to watch the tournament in its entirety on ESPN and ESPN 2, with the former airing the entire first week of play, while the latter will broadcast outer court matches during the second week.
He is moving like a champion in the making and had way too much game for the Australian James Duckworth, who survived for only an hour and a half as the No 4 seed steamrollered him 7-5, 6-2, 6-0.
The 2014 semi-finalist was stunned by three-time Slam victor Stan Wawrinka 1-6, 7-6 (7/3), 7-6 (7/5), 6-4.
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