WATCH: Cerúndolo is 0-2 in Milan after dropping robin robin clashes against Brandon Nakashima and Holger Rune.

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Juan Manuel Cerúndolo has spent this season mostly playing challengers, so the luxury at this week's ATP NextGen Finals is a big change for him—but he's not complaining.

The 19-year-old Argentine has lifted his ranking from No.341 at the start of the season to No.91, including winning his first ATP title at Cordoba from qualifying. That got him into the NextGen Finals, the eight-player competition where the prizemoney and amenities are a lot greater than the lower levels of the tour.

"It is nothing like a challenger," he said in an interview with Ole. "The hotel is great, they give you all the meals.

"You have a changing room with a locker for you, you can leave your clothes to wash and on the day, it is ready. You have free strings, refrigerators on the courts. It's a unique experience."

Still, he's finding that the schedule of a top player is also quite different off the court.

"I have zero free time since I've been here, and that tires you," said Cerúndolo. "During tournaments I have a lot of time to rest and here I've had nothing. I think you have to concentrate on the tournament. The most important thing is to arrive for the matches fresh."

Cerúndolo dropped his first two round robin matches at the indoor event to Brandon Nakashima and Holger Rune, and noted the quality of the field in Milan. The showcase for the tour's top young players is also known for its different elements like allowing coaches to talk to players, crowd moments and a scoring system that uses four-game sets in a best-of-five sets competition.

"They are all very difficult, especially for me since I'm a clay player," said Cerúndolo, but noted that the scoring changes could help him. "The scoring is different... since I'm not a player for these courts, it's a bit of an advantage because it equalizes a little—you win three games and you're in a tiebreak, and in a tie-break anyone can win.''

But it's not something he wants at regular tournaments.

''If I had to play ATP like that I wouldn't like it," he said of the adjusted scoring.

That's just one of the ways this week is different for Cerúndolo.