" Tennis is a funny sport. "
- John Isner

Tennis can be seen as an unusual or quirky sport due to various aspects that set it apart from others. The nature of tennis matches, which can stretch over several days with grueling lengths, and the highly specialized skills required for success, contribute to this perception. This view acknowledges the unique characteristics that make tennis stand out in the world of sports.

The statement suggests a deeper appreciation of the complexities inherent in professional tennis. These complexities range from the mental and physical demands on players to the strategic nuances within matches. The humor can also be interpreted through the unpredictable nature of the sport, where upsets and unexpected outcomes are not uncommon. This quote reflects an acknowledgment of how tennis encompasses various layers of intricacy and surprise that might seem peculiar or amusing when compared to other sports.

John Isner, a towering figure in men's professional tennis known for his powerful serve, is the source of this insightful remark. As one of the tallest players on tour, Isner has often been associated with long matches due to his aggressive serving style, which adds another layer of complexity and humor to his observations about the sport.