It was after the first set that the Norwegian loudly and clearly asked the referee to go to the dressing room to change clothes.

When the second set began, the Norwegian was warned for having broken the "bathroom break rule", that is, you can take a break to go to the toilet.

According to the regulations, which Ruud was not aware of, you are not allowed to go to the changing room and just change clothes.

Ruud had a long conversation with the referee, who did not inform Ruud that he also had to go to the toilet during the change of clothes.

Know now that he has to go to the bathroom

- Okay, the next time I ask for a break, should I just go into the toilet itself?

Ruud asked the judge, according to Norwegian VG.

- If you need to go to the toilet, you need to, it's your business.

But if you ask for it and don't do it, I have to warn you, that's what I'm explaining here, replied the judge, who was obviously informed about what Ruud was doing when he was off the court, in the Masters 1000 tournament.

It was a protracted match that took 3.18 to finish.

A rain break favored fourth-seeded Ruud.

- It gave me time to get my strength back, so I can thank the weather gods for that, says Ruud, who in the next round meets home player Felix Auger-Aliassime.

The three highest seeded players, Daniil Medvedev, Carlos Alcaraz and Stefanos Tsitsipas, have all already been eliminated so Ruud is the highest seeded player remaining in the tournament.