Why the NTRP Ratings System Is Complex, Not Just Complicated
I spent last weekend at USTA Texas 18+ League Sectionals. A side effect of that is spending a fair amount of time hearing people grouse about NTRPRead More
The Cruelest Game: Chasing Greatness in Professional Tennis
The Cruelest Game: Chasing Greatness in Professional Tennis by Matthew Futterman is ostensibly a search for the “secret codes” that separate the very best tennis playersRead More
The Code, Principle 13: Why You Cannot Call Your Own First Serve Out
Every Wednesday, this site examines a rule or governing principle that shapes how tennis is actually played. We are currently in the midst of aRead More
1 responseSoccer Bell Touches for Better Tennis Footwork
Every Tuesday, this site looks at a training or technology concept that shapes how tennis is played. Last week, I wrote about my latest trainingRead More
Tennis Beyond the Headlines: August 17, 2026
Leadership, scheduling, anti-doping rules, eligibility policy, coaching, and even the question of how tennis defines lasting greatness all feature prominently in this week’s news. IncomingRead More
Try Harder? What a DEF CON Challenge Teaches Us About Resilience
Yesterday, I pondered whether generative AI might eventually kill Capture the Flag (CTF) competitions, such as the one my work team ran at DEF CONRead More
1 responseIs Generative AI Killing the Capture the Flag Competition?
Yesterday, I described watching hundreds of highly intelligent people submit the same obviously wrong answer to one of my DEF CON CTF challenges because anRead More
When AI Gets It Wrong: A Lesson in Human Judgment from DEF CON 34
“Hello, world.” The six to eight weeks leading up to DEF CON are always a bit overwhelming for me. Between my day job, preparations forRead More
1 responseServing First: Charlie Pasarell and a Life of Service to Tennis
Serving First: Dreams Realized and Lessons Learned from Family, Friends and a Life in Tennis is ostensibly the autobiography of Charlie Pasarell, but describing it simplyRead More
1 responseThe Code, Principle 13: Should You Call Your Own Shots Out?
Every Wednesday, this site examines a rule or governing principle that shapes how tennis is actually played. We are currently in the midst of aRead More
1 response