Novak Djokovic win the 3rd set against Stan Wawrinka but stay on his side of the court. Why ? He simply didn't realized that the set was already finished.
After her win of 2 hours and 37 minutes against Jelena Jankovic in Indian Wells final, Simona Halep was a little exhausted in press conference. As much as she couldn't lift the heavy trophy anymore.
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).