As the father to two sets of twins, Roger Federer has spent his share of time in Snoopy's world.
Today, Federer welcomed Snoopy to his world.
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Watch Snoopy extend a friendly paw to Federer. The world No. 2 gives the World War I famed flying ace a welcoming pat on the forehead and warm smile.
Snoopy also shares the love with Federer's opponent, Dominic Thiem, prior to conducting the coin toss as the pair squared off in Rome today.
Woodstock, spotted nearby dining on gelato, had to fly leaving Snoopy to enjoy this Charlie Brown flash mob.
Photo credit: Internazionali BNL d'Italia