Stats and Graphs


Forget the Controversy – Stats Say Serena was Outplayed

Forget the controversy. The stats tell the story of Saturday's US Open Women's final between Naomi Osaka and Serena Williams. Serving Stats It's pretty unusual for Serena to be outdone on serving stats, but she was, and by quite a margin. The stats below illustrate pretty clearly that Serena's first serve percentage ... More

Federer's Return of Serve unforced errors too high in Cincinnati

Federer v Djokovic – Cincinnati Final. What the Stats Say

In an effort to demonstrate the value of stats, even at the pro level, I recorded the Cincinnati final on Sunday using GT Stats. Not that the stats will tell Roger Federer anything he doesn't already know! The stats do reveal what RF is probably working hard on in the lead-up to the US Open next week. Part of the value ... More

Serve error location pie charts

Graphs – Stats That Make Sense to Junior Tennis Players

I've always loved viewing statistics graphically. Be it for tennis, business or a stock price, graphs make a lot more sense than numbers on a screen. That's because they tell more of a story than a list of numbers. When it comes to junior tennis players, pure numbers on a screen make even less sense. What makes a lot ... More

Winner to Error Ratios – Tennis Stats that Matter

There are a lot of parents at tennis tournaments and comps every weekend watching their juniors. One of the common comments is “he/she is just making too many unforced errors”. While that might be true, how many is too many and how should an error count relate to the winner/forced error count? This is where a ratio ... More

Serving Stats – What Do They Mean and How to Use Them

You’re looking at the serving stats for your junior. They’re showing 60% first serve in but only 40% won. The second serve says 75% in but only 25% won. Those numbers are a lot different compared to Roger Federer And Serena Williams. In fact, they’re a lot different to almost all the pro players you’ve looked ... More