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Knowing the Rules: When Experienced Tennis Players Get Them Wrong Novak Djokovic: The Wolf in Winter Review The Code, Principle 14: When Doubles Partners Disagree on a Call Charlie Pasarell, Welby’s Wall, and the Value of Backboard Training Tennis Beyond the Headlines: August 24, 2026 Managing NTRP as a Complex System: Patterns, Feedback, and Adaptation The Incentive Problem Hidden Inside NTRP Ratings

World Tennis Number: Second Serve

The World Tennis Number (WTN) is a new ITF global rating system for all tennis players, regardless of age, gender or ability. The USTA recently announced the adoption of WTN and has been conducting informational webinars on the forthcoming system. A couple of weeks ago, I attended one of those sessions and gathered some additional information about WTN from both the presentation and the question and answer session that ensued.

How NTRP Tournament Fragmentation Hurts 18+ Players

The USTA decision to divide NTRP tournament play into three separate age divisions has a pretty significant side effect. I originally planned to write about the theoretical possibilities today, but the Trophy Husband alerted me a real example in an upcoming Level 5 tournament in San Angelo, Texas. Not to bury the lead, but this is proof positive that I do occasionally listen when he drones on about his own tennis life.

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How Fragmentation Hurts Tournaments

Last Friday I wrote an essay highlighting how early entries into tournaments encourage other players to also participate. That post ended with a call to action for the tournament community to enter tournaments early and often. As it turns out, it is unlikely that I will be entering any NTRP tournaments early this year. The reason is fragmentation.

First Serve: Arthur Ashe: A Life

The Arthur Ashe biography by Raymond Arsenault was slated for review this week. In fact, I started reading it just over two weeks ago after realizing that it is a lot longer than the books I typically review on this site. For a variety of external factors, I have yet to progress past the midpoint of the book. However, I have already had one significant “Aha” moment to share.