Alexander Zverev gives a hug to a line judge during his match against Roger Federer in Rome.

Here is a first-person experience of a Bryan Brothers training session in Miami. You're in the head of Mike Bryan.

Watch how Ivan Dodig knocked out Marcelo Melo in Miami's double.

Fabio Fognini is inimitable. The Italian had fun by pulling down the chair umpire's sock during his last match in London.

Andy Murray wasn't maybe totally satisfied by his haircut or more probably some of his front hairs were disturbing him. He made a little on-court adjustment to it during his match against Rafael Nadal in London (ATP Finals 2015, Masters).

SQUIRREL RUNS ONTO COURT AND INTERRUPTS MATCH at 2015 US open