The Australian Open is currently underway and Roger Federer is cleaning up, with the Swiss player winning a straight sets victory against Aljaz Bedene on Tuesday.
Afterwards, he was interviewed by tennis legend John McEnroe, only for a special guest to turn up and interrupt proceedings as Will Ferrell arrived on court.
Ferrell went straight into his most famous character Ron Burgundy and interviewed Federer with a series of bizarre and random questions that, well, you'd expect from San Diego's most famous news anchor.
Watch below: