With the Wimbledon Championships well underway here are some tennis-related science resources …
The Journal of Medicine and Science in Tennis publishes peer-reviewed research articles about tennis. This is an open access journal and is freely available on the internet.
Rod Cross from the University of Sydney uses physics to explain why tennis raquets have sweet spots and dead spots, how to locate these on your own raquet, and which part of the raquet you should aim to use when serving.
Magnus and Klaassen [link goes to a PDF file] analyse Wimbledon games from the early 90s to explore the hypothesis that new balls advantage the server:
Although serving with new balls appears to provide no advantage in terms of the number of points won, … new balls may well affect the way points are won. For example, the probability of of a double fault seems to decrease, which is, of course, partly due to the increasing trend in the probability of fluffier (hence more grip) than newer balls.
You can find more academic journal articles about tennis by searching SPORTDiscus or Coaching Science Abstracts (both available from the Science and Technology Resources page). Good quality websites about tennis can be found by searching Intute.