Who is the best ATP Tour player of the 21st century? This discussion could continue for half a century, yet now, having passed a quarter of this century, we have created a definitive Top 10 list combining Grand Slam results, total championships, duration at world No.1, and era strength — revealing not only raw data but also the legendary tales behind the trophies!

Note: The rankings only account for achievements starting from the 2000 season.

Daniil Medvedev | Russia

▪️ Key achievements: 2021 US Open champion, 20 ATP titles (including 6 Masters and 1 Finals)

▪️ Vital stats: 16 weeks at world No.1, 5 Grand Slam finals, 2 Wimbledon semifinals

▪️ Tags: Hardcourt specialist, one of the new generation leaders

▪️ Legendary moment: In the 2021 US Open final, he came back from 0-2 down to win three straight sets against Djokovic, ending his opponent’s “calendar Grand Slam” dream, becoming the first post-1995 player to defeat the “Big Three” and claim a major, embodying the spirit of the “hardcourt phoenix.”

9️⃣ Stan Wawrinka | Switzerland

▪️ Key achievements: 3 Grand Slams (2014 Australian Open, 2015 French Open, 2016 US Open), 16 ATP titles

▪️ Vital stats: Career-high world No.3, 1 French Open runner-up

▪️ Tags: “Big Four breaker,” representative of powerful backhand artistry

▪️ Legendary moment: In the 2015 French Open final, his “violent backhand” shattered Federer’s defense, breaking the “Big Four” monopoly on majors; in the 2016 US Open semifinals, he defeated Djokovic, becoming the only player to beat the “Big Three” on all three surfaces (hard, clay, grass).

8️⃣ Lleyton Hewitt | Australia

▪️ Key achievements: 2 Grand Slams (2001 US Open, 2002 Wimbledon), 28 ATP titles (including 2 Masters)

▪️ Vital stats: 80 weeks at world No.1, back-to-back Finals titles in 2001-2002

▪️ Tags: Early 2000s dominant player, master of defense and counterattack

▪️ Legendary moment: At the 2002 Wimbledon final, 21-year-old Hewitt defeated Sampras to become the youngest Wimbledon champion and year-end No.1 in the Open Era, launching his own “Hewitt era” with relentless defense and sharp returns.

7️⃣ Jannik Sinner | Italy

▪️ Key achievements: 4 Grand Slams (2024 Australian Open/US Open, 2025 Australian Open/Wimbledon), 20 ATP titles (including 5 Masters and 2 Finals)

▪️ Vital stats: Over 60 weeks at world No.1 (ongoing), reached peak at age 23

▪️ Tags: Future world No.1, versatile new generation benchmark

▪️ Legendary moment: In the 2025 Wimbledon final, he battled Alcaraz in a five-set thriller and overturned a 1-5 deficit in the deciding set tiebreak to claim his first Wimbledon title, announcing the arrival of “new generation dominance.”

6️⃣ Andre Agassi | USA

▪️ Key achievements: 3 Australian Open titles (2000/2001/2003), 16 ATP titles (including 7 Masters)

▪️ Vital stats: 3-time world No.1, 2 US Open runner-ups

▪️ Tags: Tennis legend, cross-era icon

▪️ Legendary moment: At the 2003 Australian Open, 33-year-old Agassi defeated Federer in the semifinals and came back to beat Roddick in the final, becoming the oldest Australian Open champion in the Open Era; his transformation from “rebel kid” to “tennis gentleman” inspired a generation.

5️⃣ Carlos Alcaraz | Spain

▪️ Key achievements: 6 Grand Slams (2 Wimbledon, 2 French Open, 2 US Open), 21 ATP titles (including 8 Masters)

▪️ Vital stats: 36 weeks at world No.1, achieved legend status by age 22

▪️ Tags: Dual-surface clay and grass king, “Fedel successor”

▪️ Legendary moment: In the 2023 Wimbledon final, 19-year-old Alcaraz battled Djokovic in a five-set marathon, winning the deciding set 16-14 to become one of the youngest Wimbledon champions ever; in 2024 French Open, he defeated Zverev to officially inherit the “clay court throne.”

4️⃣ Andy Murray | United Kingdom

▪️ Key achievements: 3 Grand Slams (2012 US Open, 2013/2016 Wimbledon), 46 ATP titles (including 14 Masters and 1 Finals), two Olympic singles gold medals.

▪️ Vital stats: 41 weeks at world No.1, back-to-back Olympic golds (2012 London / 2016 Rio)

▪️ Tags: “Strongest beyond the Big Three,” inspirational figure

▪️ Legendary moment: In the 2013 Wimbledon final, he defeated Djokovic to end Britain’s 77-year drought for a men’s Wimbledon champion; in 2019, after hip surgery nearly ended his career, he made a comeback to win ATP titles, writing a tennis saga of “never giving up.”

Roger Federer | Switzerland

▪️ Key achievements: 20 Grand Slams (8 Wimbledon, 6 Australian Open), 103 ATP titles (including 28 Masters and 6 Finals)

▪️ Vital stats: 310 weeks at world No.1 (second longest in history)

▪️ Tags: Tennis artist, pioneer of men’s golden era

▪️ Legendary moment: At the 2009 French Open final, he defeated Söderling to complete the career Grand Slam, breaking the “clay curse”; in the 2017 Australian Open, at age 35, he won the title after injury recovery by beating Nadal, becoming the oldest Grand Slam champion in the Open Era, exemplifying tennis elegance.

Rafael Nadal | Spain

▪️ Key achievements: 22 Grand Slams (14 French Open), 92 ATP titles (including 36 Masters and Olympic gold)

▪️ Vital stats: 209 weeks at world No.1, career Grand Slam winner

▪️ Tags: King of clay, pinnacle of willpower

▪️ Legendary moment: In the 2012 French Open final, he and Djokovic staged a “match of the century,” battling nearly 6 hours over five sets to claim his eighth consecutive French Open title; in the 2022 Australian Open, despite an ankle injury, he defeated top rivals to win his 21st Grand Slam, surpassing Federer as the all-time leader.

Novak Djokovic | Serbia

▪️ Key achievements: 24 Grand Slams (10 Australian Open), 101+ ATP titles (including 40 Masters)

▪️ Vital stats: 428 weeks at world No.1 (all-time record), only player with a career triple Career Grand Slam

▪️ Tags: Greatest of all time (GOAT), record breaker

▪️ Legendary moment: In the 2023 French Open final, he defeated Alcaraz to complete the “triple Career Grand Slam,” a historic first; at the 2023 Australian Open, he won his 10th title, setting the record for most Australian Open wins, dominating tennis with “iron will” and “all-around skills.” At age 37 in 2024, he won Olympic gold.

✨ Honorable Mentions

- Andy Roddick: 32 ATP titles, 2003 US Open champion, 4 Grand Slam runner-ups — his serve speed once set records, yet he was unlucky to lose four Grand Slam finals to Federer, becoming a poignant “king without a crown.”

- Marat Safin: 2 Grand Slams (2000 US Open, 2005 Australian Open), 5 Masters titles — in the 2000 US Open final, he defeated Sampras to become one of the youngest champions; fiery-tempered, his “genius left hand” created countless classic moments.

- Juan Martín del Potro: 2009 US Open champion, 22 ATP titles — he defeated Federer in the 2009 US Open final but battled recurring wrist injuries, retiring and returning multiple times, showcasing tennis resilience with a “giant’s heart.”

- Pete Sampras: Most of Sampras’s achievements came before 2000, but he won the 2000 Wimbledon and 2002 US Open — in the 2002 US Open final, he defeated Agassi and retired with a record 14 Grand Slams, hailed as the “best player of the 20th century,” ending an era with his serve-and-volley style.

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