Tennis court conditions can quietly shape every rally, and league players often don’t know the rules until something weird happens. We talk through real USTA league scenarios where a flapping windscreen, a slippery patch, or poor visibility turns into an argument about fairness. The big theme is simple: safety comes first, but you also have to protect the integrity of the score by handling problems early, clearly, and in good faith so nobody feels blindsided after the match is over. We would ...