Hideki Matsuyama has a greens in regulation percent per round of 0.84 in his career.

		NAME	GIR%/ROUNDS	GIR%	ROUNDS	EVENTS	TOP 10	WINS	MONEY
1		Hideki Matsuyama H. Matsuyama	0.84	813.2	963	266	65	11	$59,719,440

StatMuse has season-level data for greens in regulation percent and rounds going back to the 1980 season.