A green is considered hit "in regulation" if any part of the ball is touching the putting surface while the number of strokes taken is at least two fewer than par.
For example: hit by the first stroke on a par 3, the second stroke on a par 4, or the third stroke on a par 5.
In 2019 the tour average was 66.03%. That equals 11.88 greens hit in regulation per round. The top 5 players on the list for 2019 were:
Updated: 4-Sep-2020 | Email feedback to this question