Jul. 15—Conner Robbins has put together a pair of interesting rounds at the 36th Rosauers Open Invitational. He had a hole-in-one on No. 11 while carding a 4-under 67 Friday at Indian Canyon. He came back Saturday afternoon with a fast start — 5 under through the first six holes — and six birdies on the back side for a 10-under 61, the tournament's low round thus far. Robbins, the men's and …