Comparing Matchplay Characteristics and Physical Demands of Junior and Professional Tennis Athletes in the Era of Big Data

Table 5. Relative influence^* of the association of match statistics for match wins at the 2017 Australian Open.

Player Group	Type	Match Statistic	Relative Influence
Junior Boys	Simple Percentage	Total Points Won	66
		First Serve Points Won	30
		Winners vs Unforced Errors	2
		Second Serve Point Won	2
Junior Boys	Clutch Average	Total Points Won	87
		Break Points Won	10
		Winners vs Unforced Errors	2
		First Serve Points Won	1
Professional Men	Simple Percentage	Total Points Won	100
Professional Men	Clutch Average	Total Points Won	68
		Break Points Won	16
		First Serve Points Won	10
		Winners vs Unforced Errors	6
Junior Girls	Simple Percentage	First Serve Points Won	85
Junior Girls	Simple Percentage	Total Points Won	15
Junior Girls	Clutch Average	Total Points Won	74
Junior Girls	Clutch Average	First Serve Points Won	26
Professional Women	Simple Percentage	Total Points Won	93
		Winners vs Unforced Errors	4
		First Serve Points Won	3
Professional Women	Clutch Average	Total Points Won	88
		First Serve Points Won	10
		Winners vs Unforced Errors	2

* The frequency factor was selected across models in a generalized boosted regression