Who has spent the most weeks at WTA No.1?
From Serena Williams' 297 weeks to Sabalenka's ongoing tenure, we ranked every player by time spent at the top of the WTA singles rankings — using 25 years of weekly data.
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ATP & WTA Data Insights
Data-driven analysis of ATP and WTA rankings, player trends, and tour statistics — powered by our own dataset.
Six teenagers in the WTA top 100 — and three of them were born in 2007
Mirra Andreeva is 19 and ranked 6th in the world. Victoria Mboko is 19 and ranked 9th. Iga Jovic is 18 and ranked 19th. We looked at all six teenagers currently in the WTA top 100 and what the data shows about this generation.
Read article →Czech Republic leads the world: nine WTA top-100 players from a nation of 10.9 million
The Czech Republic has nine players in the current WTA top 100 — more than France, Spain, and Italy combined. Per head of population, no country comes close. We ran the numbers.
Read article →Wimbledon 2026: The WTA Rankings Heading Into the Grass Season
Roland Garros is finished. The WTA grass season begins. We pulled the current WTA rankings and looked at who arrives at Wimbledon 2026 in the best shape — and which names are better or worse suited to the surface than their ranking suggests.
Read article →Wimbledon 2026: The Rankings Heading Into the Grass Season
Roland Garros is done. The grass season starts now. We pulled the current ATP rankings and looked at who heads into Wimbledon 2026 in the best shape — and which names from the clay season carry momentum onto a completely different surface.
Read article →N. Djokovic Spent 377 Weeks at World No.1. Here's What That Number Actually Means.
Our database tracks every week at the top of the ATP rankings since 2011. No number in it is close to Djokovic's 377. We pulled the data to show what genuine, sustained dominance looks like — and how far the current generation still has to go.
Read article →A Teenage Spaniard Rose 139 Places in Five Months. These Are the ATP's Biggest Movers of 2026.
We pulled every player's ranking from January 2026 and compared it to June. The results show a cohort of young players rewriting the rankings faster than almost anything we've seen — led by a teenager from Spain who started the year at 168 and is now inside the top 30.
Read article →J. Sinner Started at Rank 1,592. The Numbers Behind the Steepest Climbs in the Current ATP.
Our database shows the first ranking ever recorded for every active ATP player. For most players who have reached the top 10, the starting point was above rank 1,400. We pulled the numbers to show just how far each of them actually had to travel.
Read article →B. Shelton Reached the ATP Top 100 in the Same Year He Turned Pro. Most Players Take 3.
We pulled every player in our database with a recorded turned-professional year and found when they first broke into the top 100. The median is 4 years, the mode is 3 (35 players). Four players did it in their debut season. Some took over a decade.
Read article →The Heaviest Player in the ATP Top 100 Weighs 103kg. The Lightest Weighs 68kg. Here's What the Data Shows.
We pulled the recorded weight for every player in the ATP top 100. The range is 35kg wide. The average is 80kg. And the relationship between weight and ranking is more interesting than you'd expect — the lightest player in the top 100 is ranked 87th. The heaviest is ranked 83rd.
Read article →Moscow Produced Three of the World's Top 15. Buenos Aires Produced Five Top-100 Players. Where ATP Tennis Actually Comes From.
We mapped the birthplaces of every current ATP top-100 player. The results show a sport with deep geographic clusters — three Moscow-born players in the world top 15, five from Buenos Aires, five from Sydney, and almost nothing from an entire continent.
Read article →Does Height Matter in Tennis? We Measured Every ATP Top 100 Player.
We pulled the height of every player in the ATP top 100 from our database. The tallest is 211cm. The shortest is 170cm. And the relationship between height and ranking is more complicated than most people assume.
Read article →Roland Garros 2026: Who's Peaking, Who's Dropping, and What the Rankings Say
We pulled the ATP rankings from the start of the clay season through to the Roland Garros draw. J. Draper dropped 50 places. A. Fils rose 8. The data shows a clear picture of who arrives at Roland Garros in form — and who doesn't.
Read article →The Average ATP Top 100 Player Turned Pro at 18. Alcaraz Did It at 15.
We looked at how old every current ATP top 100 player was when they turned professional. The average is 18 — but the gap between the earliest and latest entries is wider than most people expect.
Read article →Only 6 Players in the ATP Top 100 Use a One-Handed Backhand (2026 Data)
We ran the numbers on every ATP ranked player's backhand grip using our own dataset. The one-hander is rare — but it hasn't been filtered out at the elite end, and the data behind that finding is more interesting than you'd expect.
Read article →Four of the ATP Top 50 Are Coached by Their Own Fathers
We looked at the coaching data for every player in the ATP top 50. The father-son pattern is more common than you'd expect — and some of the world's best players are being guided by former professionals.
Read article →19 to 39: The Age Spread Inside the ATP Top 100
The current ATP top 100 spans 20 years of age — from a 19-year-old Brazilian to a 39-year-old Serb. We looked at every player's date of birth and found a sport in genuine generational transition.
Read article →The USA Has the Most ATP Top 100 Players. Per Capita, It Ranks 14th.
We mapped every ATP top 100 player back to their country and adjusted for population. The results completely flip the conventional table — and explain why small nations punch far above their weight in professional tennis.
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