I published an article on playing the net in Tennisplayer Magazine (subscriber only) and presented in a USPTA Coaches Webinar. You can view them here!
Articles and Videos
Insight: Serial correlation is defined as patterns in the sequence of serve directions in a point game. Servers and returners can use such patterns to their advantage.
Insight: To compare win probabilities across serve directions, the Pearson chi-squared statistical test is ideal. However, the more statistical tests you perform, the greater your odds of getting a false positive test result.
Insight: This series provides a blueprint for analyzing serve strategies, covering both serve direction win probabilities and serial correlation across successive serve directions.
Insight: When returning Williams's serve, Wozniacki should have positioned herself closer to the T. In addition, her most effective returns were those hit down the middle.
Insight: Despite a lower win probability when playing from behind the baseline, Wozniacki should not have changed her court position. But she should have hit fewer backhands down the line.
Insight: Causal inference can help uncover which tactics are effective. But it's important not to test too many hypotheses.