Thanks for the replies. As mentioned in original post neither of us saw the ball land having lost sight of it in the air - though it was heading OOB. On this basis I feel comfortable that I was correct to play it as it lay given it was NOT known or virtually certain that it ended up in bounds...
Whilst playing in a match play competition I hit my tee shot which appeared to be going out of bounds towards a group of bystanders though neither me nor my opponent saw it land. I subsequently played a provisional but on walking up the fairway found the original ball just on the edge of the...