Latest Posts

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 Try Harder? What a DEF CON Challenge Teaches Us About Resilience

See No Evil: The Line Umpire in Tennis

Today I was astonished to discover that I haven’t written directly about a rule that appears in the USTA Friend at Court since November of last year. It is high time we resumed our (apparently no so) steady march through the Rules of Tennis. We are currently in the “Role of Court Officials” section and this week will turn our attention to the line umpire.