The 15 Most Ruthlessly Competitive Tennis Stars of All Time

There are great tennis players, and then there are the ones who will fight you for every single point like it’s match point at Wimbledon. These are the players who turn every match into a war, thrive on pressure, and refuse to lose without leaving everything on the court.

They stare down opponents, bark at umpires, and dig deep when it looks like the tank is empty. From legends who built dynasties to modern warriors who never back down, these tennis stars were born to compete—and win.

15. Marat Safin

Jul 2, 2008; London, ENGLAND; Marat Safin (RUS) returns a shot against Feliciano Lopez (not pictured) during the quarter finals of the 2008 Wimbledon Championships at the All England Lawn and Tennis Club. Safin defeated Lopez 3-6, 7-5, 7-6, 6-3. Mandatory Credit: Alan Grieves/GEPA via Imagn Images
GEPA/Imagn Images

Safin was as combustible as he was talented, and his fire made him one of the fiercest competitors on tour. When he locked in, he could dismantle anyone—and he made sure you knew it was personal.

14. Andy Murray

Jul 28, 2024; Paris, France; Andy Murray (GBR) celebrates while playing against Taro Daniel (JPN) and Kei Nishikori (JPN) in the men’s tennis doubles first round during the Paris 2024 Olympic Summer Games at Stade Roland Garros. Mandatory Credit: Amber Searls-Imagn Images
Amber Searls-Imagn Images

No one grinds through a five-setter with more sheer determination than Murray. His ability to stay locked in and battle through pain, exhaustion, and frustration is the stuff of tennis legend.

13. Lleyton Hewitt

Sep 3, 2015; New York, NY, USA; Lleyton Hewitt of Australia (R) hugs Bernard Tomic of Australia (L) after their match on day four of the 2015 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Tomic won 6-3, 6-2, 3-6, 5-7, 7-5. Mandatory Credit: Geoff Burke-Imagn Images
Geoff Burke-Imagn Images

“C’mon!” wasn’t just a catchphrase for Hewitt—it was a war cry. The Aussie had one of the most intense competitive streaks the sport has ever seen, especially for a guy who wasn’t the biggest hitter.

12. Monica Seles

Monica Seles follows through on a forehand at the 2000 Lipton Tennis Championships at Crandon Park.
RVR Photos / Imagn Images

Seles brought a level of intensity that could make even the toughest opponents second-guess themselves. Her two-handed groundstrokes were ferocious, and her on-court demeanor screamed, “I dare you to beat me.”

11. Jimmy Connors

Jimmy Connors: 268 weeks at No. 1 Jimmy Connors
Jonathan Newton, Special to USA TODAY

Connors played like a man who thought every opponent had personally wronged him. He was fueled by emotion, noise, and a desire to prove he was tougher than anyone else on tour.

10. Novak Djokovic

Jul 9, 2025; Wimbledon, United Kingdom; Novak Djokovic (SRB) dances on the court towards his daughter in the player's box after his match against Flavio Cobolli (ITA)(not pictured) in a gentlemen's singles quarter-final on day ten of these Championships Wimbledon 2025 at All England Lawn Tennis and Croquet Club. Mandatory Credit: Geoff Burke-Imagn Images
Geoff Burke-Imagn Images

Djokovic doesn’t just want to beat you—he wants to break you. He’s built his career on outlasting and out-mentaling the game’s best, no matter how big the moment.

9. Serena Williams

Sep 10, 2020; Flushing Meadows, New York, USA; Serena Williams of the United States hits the ball against Victoria Azarenka of Belarus in the women's singles semifinals match on day eleven of the 2020 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Robert Deutsch-Imagn Images
Robert Deutsch-Imagn Images

Serena didn’t just dominate with power—she competed with a fire that could turn any match into a statement. Whether she was down a set or up big, she never stopped swinging for the win.

8. Rafael Nadal

Rafael Nadal (ESP) celebrates recording match point during his match against Dominic Thiem (AUT) on day five at the 2014 French Open at Roland Garros
Susan Mullane / Imagn Images

Nadal brings the energy of a thousand bulls to every match, treating the first point like match point. His mental toughness and refusal to quit have made him one of the fiercest fighters the sport has ever seen.

7. Boris Becker

Jul 21, 2008; Toronto, ON, Canada; Boris Becker (GER) celebrates a point against Daniel Nestor (CAN) (not pictured) during their exhibition match during the Rogers Cup at the Rexall Centre in Toronto, ON. Mandatory Credit: Tom Szczerbowski-Imagn Images
Tom Szczerbowski-Imagn Images

Becker played like his life depended on every serve-and-volley exchange. He threw his body around the court with reckless abandon and had a deep-rooted belief that no match was ever out of reach.

6. Andre Agassi

Andre Agassi in action during the Lipton Tennis Tournament at Key Biscayne, FL
RVR Photos / Imagn Images

Agassi reinvented himself from showman to fighter, transforming into one of the most determined players of his era. He turned career adversity into fuel and made comeback tennis look like a mission.

5. Justine Henin

Justine Henin
Wikimedia Commons

What Henin lacked in size, she made up for with pure, ruthless willpower. She consistently out-fought bigger, stronger players by refusing to give in to pressure or fatigue.

4. John McEnroe

Aug 11, 2013; Toronto,ON, Canada; John McEnroe (USA) goes to serve to Jim Courier (USA) (not pictured) during the Legends exhibition game at the Rexall Centre. Mandatory Credit: John E. Sokolowski-Imagn Images
John E. Sokolowski-Imagn Images

McEnroe’s fiery outbursts weren’t just for show—they were part of his fight-to-the-death mentality. He was a master of turning emotion into momentum and wearing down opponents with both skill and sheer stubbornness.

3. Martina Navratilova

Martina Navratilova returns a shot during the 1980 Wimbledon Championships at the All England Lawn Tennis Club.
Offside Sports / Imagn Images

Navratilova brought a ferocious intensity to the court that helped her dominate across multiple decades. She didn’t just want to win—she wanted to impose her will from the first serve to the last handshake.

2. Pete Sampras

Feb. 18, 2008; San Jose, CA, USA; Pete Sampras (USA) celebrates a point against Tommy Haas (GER), not pictured, in the exhibition match during the SAP Open men's tennis tournament at HP Pavilion in San Jose, CA. Sampras defeated Haas 6-4, 6-2. Mandatory Credit: Kyle Terada-Imagn Images
Kyle Terada-Imagn Images

Sampras might’ve looked calm, but underneath that stoic exterior was a competitor who thrived on pressure. His ability to raise his level in the biggest moments made him a ruthless closer.

Read More: Ranking the 15 Most Boastful Tennis Players of All Time

1. Roger Federer

Sep 3, 2019; Flushing, NY, USA; Roger Federer of Switzerland hits to Grigor Dimitrov of Bulgaria in a quarterfinal match on day nine of the 2019 US Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Danielle Parhizkaran-Imagn Images
Danielle Parhizkaran-Imagn Images

Federer’s elegance masked a killer instinct that was always lurking. When it came to winning, he had no mercy—he just did it with a smile and a forehand that ended dreams.

Read More: 15 Tennis Stars Who Made Revenge Part of Their Routine

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