(VIDEO) Rublev vents about rules at Ultimate Tennis Showdown: "This timing is stressing me"

Andrey Rublev expressed his frustration with the UTS (Ultimate Tennis Showdown) rules after his defeat against Diego Schwartzman.

While some tennis players are participating in the Davis Cup this week, several ATP stars, including Christopher Eubanks, Andrey Rublev, Gael Monfils, and Diego Schwartzman, are taking part in the Ultimate Tennis Showdown in Frankfurt, an exhibition tournament.

In his first match against Argentine player Schwartzman, Russian player Rublev suffered a defeat. After the match, a video from inside the locker room captured the world No. 6 expressing his displeasure with the rules of the Ultimate Tennis Showdown.

In the UTS, the time allowed for serving is shorter, and the scoring system is different, with sets being determined by time rather than a specific number of points.

Rublev candidly shared his dislike for the rules in the presence of his coach and fellow tennis players Jeremy Chardy and Chris Eubanks. Amid laughter, Rublev made his feelings about the rules clear.

“I don’t like this rules man, because this timing is stressing me!”

“t’s stressing you? You have to be relax man,” respond Jeremy Chardy.

“These f***ing cards man the winner counts 3 points. That you can only use one tm per quarter,” added Rublev.

“He doesn’t like the rules today, but tomorrow if he wins, he’s gonnna love it. That’s the thing,” said Rublev’s coach.

“I mean I will be happy, but the rules… II don’t like it. This timing is stressing me!” concluded Rublev.

With the first two days concluded in Frankfurt, the four players advancing to the semifinals have been determined. In the first group, Rublev and Schwartzman advanced, while the second group saw Benoit Paire and Grigor Dimitrov moving forward.

The final day will feature Rublev competing against the Frenchman Benoit Paire, while "El Peque" (Schwartzman) will face the Bulgarian Dimitrov to determine the finalists who will close out the event in the final match.