Nick Kyrgios has often spoken out on the fact that tennis officials must do more to market and promote players beyond the 'Big 3'.
The Swiss maestro opened up about how it was a difficult process to decide whether to undergo a third right knee surgery after having two last year.
Having eased past Yannick Maden in the first round, Andy Murray had no answer to Safiullin, who won 6-2 4-6 6-1.
Tennis has seen some colourful players who have generated controversy either for an offence on the court or outside in their personal life.