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Managing NTRP as a Complex System: Patterns, Feedback, and Adaptation The Incentive Problem Hidden Inside NTRP Ratings Why the NTRP Ratings System Is Complex, Not Just Complicated The Cruelest Game: Chasing Greatness in Professional Tennis The Code, Principle 13: Why You Cannot Call Your Own First Serve Out Soccer Bell Touches for Better Tennis Footwork Tennis Beyond the Headlines: August 17, 2026

Clutch Points

A research group has defined a new metric that identifies “clutch points” in tennis. At first glance it is a new way to understand matches and appears to provide new insight. Tennis matches hinge on big moments and carrying those points are crucial to winning. Some players are clearly better at these pivotal points than others. This new metric provides a fascinating way to break down and examine match play.

Hair Today, Gone Tomorrow

Daniel Nestor is a retired Canadian tennis player who was known mostly for doubles. He ended his 18 year professional tennis career in 2018. In 2010, Nestor was the subject of a Tennis Channel “Bag Check” segment. The contents of his tennis racquet bag were eclipsed by an appearance of his (then) infant daughter and a tour of her diaper bag. Still, there was one subtly useful item for recreational tennis players.

The Tennis Open Data Standard (TODS)

Over the past couple of weeks the USTA has sent an inordinate number of email messages to its membership heralding the imminent arrival of the World Tennis Number. For anyone who has ever bothered to register with the ITF, the World Tennis Number is already here. It appears on the ITF player profile page. In order for that to work, the ITF has to be able to receive information from all its member organizations in some standardized format. That is where the Tennis Open Data Standard (TODS) comes in.

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New ATP WTA Live App

The ATP and WTA tours have partnered to create a new app that provides tennis schedules, scores, and news. I loaded it to my phone over the weekend for a test drive and instantly fell in love. All serious tennis fans should load have this app loaded on their mobile devices. It make it so much easier to watch and follow professional tennis on both tours.

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