Tony Finau has a greens in regulation percent per round of 0.76 in his career.

		NAME	GIR%/ROUNDS	GIR%	ROUNDS	EVENTS	TOP 10	WINS	MONEY
1		Tony Finau T. Finau	0.76	749.9	990	279	65	6	$45,629,004

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