(The first time Federer and Nadal shared the court was as doubles opponents, wearing matching outfits... ...and the last time was as doubles partners, also wearing matching outfits) (brb, gonna cry) 

At 2004 Indian Wells, Federer invited a 17-year-old Nadal in his box - inadvertently creating a butterfly effect that would change the course of his career Let’s go back 19 years…