Explanations

Serve/Return Effectiveness measures a player's ability to win points through a direct winner or the next shot after a serve or return, subtracting points lost on the following shot. The result can be negative if more points are lost than won.

Rally Consistency measures the percentage of rally shots not missed.

Serve In % measures the percentage of serve points that are not double faults.

Return Success % measures the percentage of returns that are not missed.