The ATP Tour is a whirlwind of rising stars and seasoned veterans, a constant battle for supremacy on the court. While the ‘Big Three’ era is behind us, a new generation of talent is ready to seize the spotlight. This dynamic list of the 2025 Men’s Tennis Top 25 Under 25 players shows that getting there is one thing while staying there is another. These young tennis players, with their explosive athleticism, fearless shot-making, and unwavering determination, are redefining the future of the sport.

Unlike our previous editions of the men’s tennis top 25 under 25, this post isn’t about predicting who will win the next Grand Slam (though that’s always exciting!). Instead, we’re focusing on the current crop of young ATP tennis professionals, highlighting their recent achievements, breakthroughs, and the unique qualities that make them the players to watch in 2025 and beyond. From established champions to rising contenders, these young stars are poised to leave their mark on the game.

While some players on this list are already accomplished superstars, others who climbed the ranks in 2024 will offer you a glimpse into the future of men’s tennis, where power, precision, and passion collide.

So, here’s the future: 2025 Men’s Tennis Top 25 Under 25.

(Note: This list is based on the live ATP rankings for players under 25 as of December 6th, 2024. As the 2025 season progresses, the rankings are subject to change)

1. Jannik Sinner (23, Italy, ATP Rank: 1)

World No.1 Italian sensation could not have asked for a better 2024! Winning two Grand Slams, two Masters 1000 titles, the ATP Finals, and the Davis Cup, Sinner stands head and shoulders above the competition in both performance and rankings. With 18 ATP titles to his name, he shows no signs of slowing down in 2025. Sinner’s anti-doping sanction in August 2024, which was deemed “no fault or negligence,” by the International Tennis Integrity Agency (ITIA) remains the only blemish in his young career.

2. Carlos Alcaraz (21, Spain, ATP Rank: 3)

Alcaraz, the former world No. 1, remains a dominant force in men’s tennis despite a slight dip in ranking during the latter part of the year. His explosive power, incredible court coverage, and remarkable shot-making have thrilled fans worldwide. He holds 16 ATP titles, including the 2024 French Open and Wimbledon championships, along with five Masters 1000 titles. Alcaraz has shown incredible resilience and determination and will undoubtedly look to regain his spot at the top of men’s tennis.

3. Holger Rune (21, Denmark, ATP Rank: 13)

Despite his slide down the rankings to 13th, Holger Rune remains a force to be reckoned with in men’s tennis. His aggressive baseline game, remarkable speed, and mental fortitude previously propelled him as high as No. 4 in the world and earned him 4 ATP titles, including a Masters 1000 victory in Paris. Though he’s facing tougher competition and searching for consistency, Rune’s undeniable talent and competitive fire suggest he’s determined to regain his top form and climb back up the rankings.

4. Jack Draper (22, Great Britain, ATP Rank: 15)

With two ATP titles and a career-high ranking of No. 15, Jack Draper had a good 2024. Draper is a rising force in British tennis, known for his powerful left-handed serve and aggressive all-court game. His impressive run to the semifinals of the 2024 US Open showcased his Grand Slam potential. With his height (6’4″) and athleticism, Draper possesses the tools to become a consistent presence in the top rankings.

5. Lorenzo Musetti (22, Italy, ATP Rank: 17)

Musetti’s elegant one-handed backhand and creative shot-making have captivated fans. He’s steadily rising in the rankings, with strong performances on all surfaces. He reached the Wimbledon semifinals in 2024 and won a bronze medal at the 2024 Paris Olympics. Musetti currently holds 2 ATP titles, both won in 2022 – Naples and Hamburg. He was also part of the Italian team that won the Davis Cup in 2023 and 2024. His artistry and flair on the court make him a joy to watch, and he’s poised for even greater success in the years to come.  

6. Arthur Fils (20, France, ATP Rank: 20)

Fils is one of the most exciting young prospects in tennis, already making a significant impact on the ATP Tour. With a mature game beyond his years and impressive athleticism, he has broken into the top 20. Fils currently holds 3 ATP titles, including two ATP 500 titles won in 2024. His aggressive style and powerful forehand make him a formidable opponent who consistently challenges top players. Fils’s recent victory over Stefanos Tsitsipas in Basel further cemented his status as a rising star. Expect him to continue his rapid ascent and contend for major titles soon.

7. Ben Shelton (22, USA, ATP Rank: 21)

Shelton’s explosive serve and powerful lefty forehand make him a unique threat on tour. He reached a career-high ranking of No. 13 in August 2024. Known for his aggressive style and exciting shot-making, Shelton has already claimed 2 ATP titles, including his first at the Japan Open in 2023. He also made a remarkable run to the semifinals of the 2023 US Open, showcasing his Grand Slam potential. As he gains experience, Shelton could become a consistent contender for major titles.

8. Sebastian Korda (24, USA, ATP Rank: 22)

Korda’s all-court game and athleticism make him a dangerous opponent. He’s achieved a career-high ranking of No. 15 and consistently performs well on both hard and clay courts. He currently holds 2 ATP titles, including the Washington Open in 2024. With his powerful serve, aggressive groundstrokes, and natural talent, Korda has the potential to reach great heights, following in the footsteps of his father, Petr Korda, a former Grand Slam champion.

9. Tomas Machac (24, Czech Republic, ATP Rank: 25)

Machac is a rising Czech player with a solid all-around game who achieved a career-high ranking of No. 25 in October 2024. Considering his consistency and aggressive baseline play, it is surprising that he hasn’t won an ATP singles title yet. Machac also excels in doubles, reaching the semifinals of the Australian Open in 2024 and winning the mixed doubles gold medal at the 2024 Paris Olympics with Katerina Siniakova. 

10. Sebastián Baez (23, Argentina, ATP Rank: 27)

Baez is a rising Argentine player known for his clay-court prowess, relentless fighting spirit, and impressive speed. He has captured 6 ATP titles, including the 2023 Winston-Salem Open and the 2024 Rio Open. Baez reached a career-high ranking of No. 18 in June 2024 and has consistently challenged top players on the ATP Tour. His strong return game and ability to dictate play from the baseline make him a formidable opponent, especially on clay. Baez is poised to continue his ascent in the rankings and contend for bigger titles in the future.

11. Jiri Lehecka (23, Czech Republic, ATP Rank: 28)

This rising Czech star is currently 28th in the world rankings. Lehecka’s aggressive style and powerful serve propelled him to his first ATP title in Adelaide in early 2024. He also reached the semifinals of the Madrid Open, a Masters 1000 event, demonstrating his ability to compete with the very best. With continued improvement and determination, Lehecka is poised for further success in the coming years

12. Felix Auger-Aliassime (24, Canada, ATP Rank: 29)

Despite a dip in the rankings this year, Felix Auger-Aliassime remains a formidable presence in men’s tennis. His powerful serve and aggressive baseline game are still his trademarks. While he hasn’t added to his title count in 2024, he’s consistently reached the latter stages of tournaments, including a finals appearance at the Madrid Open. Auger-Aliassime also had a strong showing at the Paris Olympics, reaching the semifinals in singles and winning a bronze medal in mixed doubles. His dedication and talent suggest he’s still on track to achieve his Grand Slam ambitions and climb back up the rankings.

13. Giovanni Mpetshi Perricard (21, France, ATP Rank: 31)

Perricard has emerged as one of the most exciting young players on the ATP Tour. His athleticism and powerful groundstrokes have propelled him to a career-high ranking of 30. In 2024, he captured his first ATP title in Lyon and made a surprising run to the fourth round of Wimbledon as a lucky loser. With his impressive court coverage and aggressive style, Perricard is a rising star to watch in the world of tennis.

14. Flavio Cobolli (22, Italy, ATP Rank: 32)

Cobolli continues his steady rise in the ATP rankings, now sitting at 32nd. This young Italian possesses a solid all-around game and is known for his fighting spirit, especially on clay courts. In 2024, he reached his first ATP tour final in Munich and consistently performed well in Challenger events, picking up two titles. With his dedication and well-rounded skill set, Cobolli is poised to continue his climb up the rankings in the coming seasons.

15. Matteo Arnaldi (23, Italy, ATP Rank: 37)

Arnaldi is another talented young Italian making waves on the ATP Tour. He continues to solidify his position as a rising star in men’s tennis. Known for his aggressive game and powerful forehand, he’s become a consistent presence in the latter stages of tournaments. In 2024, he reached the quarterfinals of the Monte Carlo Masters and had a top-10 win against Andrey Rublev at the French Open Championship. Arnaldi’s fearless style makes him a player to watch as he continues his ascent in the rankings.

16. Brandon Nakashima (23, USA, ATP Rank: 38)

Nakashima has steadily established himself as a solid player on the ATP Tour, reaching a career-high ranking of 35 in 2024. His consistent groundstrokes and calm demeanor are his greatest strengths, allowing him to outlast opponents and secure tough wins against top competition. In 2024, he reached the fourth round of the US Open and delivered strong performances at Masters 1000 events in Miami and Barcelona, where he scored a notable victory over Andrey Rublev. With continued improvement and unwavering mental fortitude, Nakashima appears poised to achieve even greater success in the years to come.

17. Alex Michelsen (20, USA, ATP Rank: 41)

Michelsen has continued his rapid ascent in the rankings, reaching a career-high of 41. His aggressive style and impressive shot-making have earned him victories over established players. In 2024, he reached his first ATP final in Winston-Salem and consistently performed well in Challenger events. Michelsen’s fearless approach and natural talent make him one of the most exciting young prospects in American tennis.

18. Luciano Darderi (22, Italy, ATP Rank: 44)

Darderi has solidified his place as a rising star in men’s tennis. His solid baseline game and competitive spirit have allowed him to climb to a career-high ranking of 44. In 2024, he won the Cordoba Open, an ATP 250 event, and consistently challenged top players on the tour. Darderi’s dedication and work ethic suggest he’s on track for continued success.

19. Mariano Navone (23, Argentina, ATP Rank: 47)

Navone has broken into the top 50, showcasing his potential to become a force on the ATP Tour. His powerful serve and forehand have earned him impressive wins, including an appearance at the 2024 Rio Open final. Navone’s aggressive style and powerful baseline game make him a player to watch in the coming years.

20. Jakub Mensík (19, Czech Republic, ATP Rank: 48)

Mensík has continued his impressive rise, reaching a career-high ranking of 48 at just 19 years old. His powerful game and strong competitive spirit have translated to success on the ATP Tour. In 2024, he reached his first ATP 250 finals at the 2024 Qatar Open. He also qualified for several ATP events, demonstrating his ability to compete at the highest level. Mensík’s potential is undeniable, and he’s poised for a bright future.

21. Juncheng Shang (19, China, ATP Rank: 50)

Shang has become one of the most exciting young players in the world, reaching the top 50 at just 19. His smooth strokes and impressive court awareness have earned him victories over top players and a place in the spotlight. In 2024, he reached the third round of a Grand Slam for the first time and consistently challenged established players. Shang’s talent and maturity suggest he’s on track to become a major force in men’s tennis.

22. Arthur Cazaux (22, France, ATP Rank: 63)

Cazaux has continued his steady progress, climbing to a career-high ranking of 63. His solid all-around game and strong work ethic have allowed him to compete effectively on all surfaces. At his Grand Slam debut at the 2024 Australian Open, Cazaux reached the fourth round. Cazaux’s dedication and versatility make him a player to watch as he continues his development.

23. Yunchaokete Bu (22, China, ATP Rank: 65)

Bu has emerged as a rising star from China, reaching a career-high ranking of 65. His aggressive baseline game and impressive performances on the Challenger Tour have translated to success on the ATP Tour. In 2024, he reached the quarterfinals of an ATP 250 event and consistently challenged top players. Bu’s powerful groundstrokes and determination suggest he’s ready to make a bigger impact on the tour.

24. Rinky Hijikata (23, Australia, ATP Rank: 73)

Hijikata has continued to impress with his aggressive style and impressive athleticism. In 2024, he reached the semifinals of an ATP 250 event, the Brisbane International, and consistently performed well in Challenger tournaments. Hijikata’s exciting brand of tennis and competitive spirit make him a player to watch in the future.

25. Thiago Seyboth Wild (24, Brazil, ATP Rank: 74)

Seyboth Wild has maintained his place in the top 100, showcasing his powerful game and potential to climb higher. In 2024, he reached the quarterfinals of an ATP 250 event and had strong showings in Challenger tournaments. He has one ATP 250 win to his credit. Seyboth Wild’s aggressive style and big serve make him a dangerous opponent for any player on tour. 

This 2025 Men’s Tennis Top 25 Under 25 list is proof that the ATP Tour is in good hands. These young guns, each with their own unique style and a fire in their belly, are ready to grab the torch and light up the tennis world. We’re talking Grand Slam showdowns, nail-biting Masters 1000 battles, and the kind of shot-making that leaves you speechless. One thing’s for certain: men’s tennis is about to get even more exciting. So, buckle up and get ready to witness the rise of these incredible athletes. They’re not just the future of tennis – they’re the present, and they’re here to stay.

Sources & Attributions

ATP Rankings

Wikipedia ATP Rankings