Wimbledon

Uruguay's Pablo Cuevas and Spain's Marcel Granollers were facing off against Britain's Jonny Marray and Canada's Adil Shamasdin in the men's doubles.

After an almost-four-hour, five-set marathon and down a break at 8-9, Cuevas and Granollers were denied a bathroom break by French umpire Aurelie Tourte.

A witness accused Cuevas of threatening to relieve himself into a ball can under the cover of a towel, prompting a code violation for unsportsmanlike conduct.

The Australian 15th seed received a warning from umpire Jake Garner at the start of the third set after complaining about a decision and he completely lost his head before reaching the third round with a 6-7(3-7), 6-1, 2-6, 6-4, 6-4 victory.

Asked afterwards whether his antics were distracting for other players, Kyrgios lost his cool.

"What did I say to the umpire today?" he said.

The world number one was reported to have been involved in a close shave with a truck pre-tournament but insisted wildcard Ward came closer to knocking him off on Monday.

"Yeah, actually just also recently they told me about that small article that went into papers. There is no truth to that," Djokovic said after opening his title defence with a 6-0, 7-6 (7-3), 6-4 win.

"Actually I did come few days in the beginning of the week before Wimbledon with my bicycle.