When teaching various tactical scenarios to players, I often ask them the following question: “what do you think is the most common rally length in tennis”? Less experienced players jump to answers like 7 or 9 while those that have been playing for many years reply with 3, 4 or 5. Do YOU know what it is? When it comes to professional tennis, according to Brain Game Tennis, it’s 1. Can you believe that? The most common rally length (called the mode, in statistics) is 1! That’s a service ace or a service winner (i.e. the returner makes an error off the serve). This happens about 30% of the time. The next most common rally length is 3 - that’s a serve, return and one more shot.
