Tennis Records: The Greatest Stats and Milestones in the Sport

If you love tennis, you probably have a favorite player and you’ve wondered how they stack up against the legends. From record‑breaking Grand Slam wins to insane serve speeds, the sport is full of numbers that spark debate. Below you’ll find the most talked‑about records, a quick look at who holds them, and why they matter for fans and beginners alike.

All‑Time Grand Slam Records

When it comes to the biggest achievements, Grand Slam titles are the gold standard. As of 2025, the women’s record belongs to Serena Williams with 23 singles majors—a figure that still tops the open‑era list. On the men’s side, Novak Djokovic has eclipsed his rivals, sitting at 24 Grand Slam wins, just a step ahead of Rafael Nadal’s 22. These numbers aren’t just about talent; they reflect longevity, injury management, and the ability to adapt to different surfaces.

Besides the total count, streaks matter too. Margaret Court holds the record for most consecutive Grand Slam titles won (four in a row) twice, while Rod Laver is the only player to complete the Grand Slam—winning all four majors in a single calendar year—twice, first as an amateur in 1962 and again in the Open Era in 1969.

Speed, Age, and Other Crazy Stats

Records aren’t limited to titles. The fastest serve ever recorded belongs to Sam Groth, who blasted a 263 km/h (163 mph) serve during a 2012 ATP event. On the women’s side, Sabine Lisicki set the bar at 210 km/h (130 mph) in 2014. These serves show how equipment and training have pushed the limits of power.

Age can be a game‑changer. Martina Navratilova won the Wimbledon women’s singles title at 37, proving that experience can beat youth. On the flip side, Martina Hingis became the youngest Grand Slam champion of the Open Era when she clinched the 1997 Australian Open at just 16. Those extremes illustrate that tennis rewards both early talent and long‑term dedication.

Other fun stats include the longest match ever played—John Isner vs. Nicolas Mahut at Wimbledon 2010, which lasted 11 hours and 5 minutes over three days. The record for most aces in a single match is held by John Isner again, with 113 aces in that marathon.

Keeping track of these figures is easier than ever. Websites like the ATP, WTA, and the International Tennis Federation update stats in real time, so you can see who’s closing in on a new record after every tournament.

Understanding tennis records adds depth to watching matches. Knowing that a player is chasing a historic milestone can make a five‑set battle feel like a chapter in sports history. Whether you’re a casual viewer or a budding player, these records give you talking points, betting clues, and a sense of the sport’s evolution.