Some Avg. Rally Length data to consider below. Please share your thoughts.
Observe how the Average Rally Length varies depending on the player stylistic matchup and the surface speed that year.
That’s one reason why Avg. Rally Length is such poor indicator to use when guiding training and teaching protocols, which should be more player centered and individually tailored.
Building a training approach based solely on Avg Rally Length data is like building a house on a foundation of sand.
There are so many other more important details—psychological and physiological factors for example—to consider when designing a training plan.