Budkov Kjaer was the youngest player to win four Challenger titles in 2025

Fans eager to stay ahead of the curve and identify the next wave of #NextGenATP talents should keep a close eye on ATP Challenger results. The eight players competing at this year’s Next Gen ATP Finals presented by PIF have all tasted ATP Challenger success to get where they are today.

ATPTour.com highlights each Jeddah competitor and the Challenger milestones they’ve achieved in their young careers.

Nicolai Budkov Kjaer
Of the six players who shared a season-leading four titles, the Norwegian was the youngest to achieve that feat. The 19-year-old won his maiden Challenger title in Glasgow in February and returned to the winner’s circle in July with back-to-back triumphs in Tampere and Astana, becoming the youngest Norwegian to claim multiple Challenger titles. The 2024 Wimbledon boys’ singles champion won the Mouilleron le Captif Challenger in October for his fourth triumph of the year.

After winning his first Challenger title in February, Budkov Kjaer said: “In a way, yes, [I am surprised] that it came. Because everybody at Challengers is so ridiculously good. But in a way, no, because I’ve always had the belief that I’m a good player. You always want to believe you have the level to beat the guys at the top and I always had the belief that I’m a very dangerous opponent.”

Justin Engel
The German became the youngest Challenger champion of 2025 with a memorable victory on home soil. Facing fellow 18-year-old Federico Cina in the Hamburg final, it marked the youngest Challenger championship match at that level since 2003, when Mario Ancic beat Rafael Nadal, coincidentally, also in Hamburg. At 18 years and 25 days, Engel became the fifth-youngest German winner in Challenger history and the first player born in 2007 to win a title at that level.

“Every title is a big one, especially my first Challenger,” Engel said after winning in Hamburg. “This win makes it even better and I’m really happy.”

Rafael Jodar
Nearly a year removed from his US Open junior triumph, where he edged Budkov Kjaer in a 10-point tie-break at 6-6 in the third set, the teenager captured his maiden ATP Challenger crown in Hersonissos, Greece in September. Jodar entered the week as World No. 540 in the PIF ATP Rankings and was in the main draw as an alternate, yet in just his ninth Challenger appearance, he went all the way. Jodar did not stop there.

Jodar won the Lincoln and Charlottesville Challengers across a three-week span in October, the latter taking place at the University of Virginia, where the 19-year-old is a sophomore. The Madrid native earned ITA All-American honours during his first season at the University of Virginia and qualified for the ATP Next Gen Accelerator, a programme that aims to increase the development pathway for top players in the American collegiate system to earn direct entry into select Challenger events.

Dino Prizmic
Prizmic is proudly waving the flag as Croatia’s next promising talent. Having started his tennis journey at Tenis Klub Split, the same club that produced Goran Ivanisevic and Mario Ancic, Prizmic is aiming to follow in their lofty footsteps. With his triumph at the Bratislava Challenger in June, Prizmic, then 19 years old, became the second Croatian — alongside Ancic — to win three Challenger titles as a teenager.

The #NextGenATP star finished the Challenger season with a 27-9 season record, highlighted by two title runs and three additional final appearances. “It’s a good feeling, but I think it’s something that in the beginning it’s what I have to pass to be a good player,” Prizmic said in July. “It’s a good start to try and become a top player and also to try to play against very good players.”

Martin Landaluce
The Spaniard made a late-season surge to boost his Jeddah chances. Landaluce won the Orleans Challenger in September, claiming 125 PIF ATP Ranking points and later building on that with a semi-final run in Olbia, where last year he won the title.

When Landaluce won Olbia last season, he became the fifth Spaniard since 2000 to win a Challenger title at age 18 or younger. Jodar has since added his name to that list. The first four players all ascended to the Top 10 of the PIF ATP Rankings: Carlos Alcaraz, Rafael Nadal, Tommy Robredo and Nicolas Almagro.

Alexander Blockx
The Belgian bookended his ATP Challenger season with titles, winning his first event of the year (Oeiras) and triumphing again in his final Challenger outing (Bratislava). The same week that Jodar won in Charlottesville, Blockx won the Slovak Open. Now, the 20-year-old will look to close out the year by building on that triumph and claim his biggest career title in Jeddah, where he is seeded second.

When Blockx won the hard-court Oeiras Challenger, he became the youngest Belgian to earn multiple trophies at that level.

Nishesh Basavareddy
Back in Jeddah for a second consecutive year, Basavareddy competed in just seven Challenger tournaments this year, including three quarter-final appearances. He had more than paid his Challenger dues in the 2024 season, during which he reached six finals (two titles) and posted a 41-13 match record.

The American transitioned to the ATP Tour and scored his best result at the ATP 250 in Auckland, where he reached the semi-finals.

Learner Tien
When Tien competed in Jeddah last year, he was No. 122 in the PIF ATP Rankings, a stark contrast from where he is today as World No. 28. Now seeking to go one step further than last year’s runner-up finish to Joao Fonseca, the lefty mostly competed on the ATP Tour this season, with just one Challenger appearance.

But Tien’s success on the ATP Challenger circuit served as a springboard for him to compete on the sport’s biggest stages. Last season, Tien boasted a 35-9 Challenger-match record, including three title runs.