Hole-in-one! Si Woo Kim recorded the longest ace in Open history on the 238-yard par-three 17th at Royal Troon last summer and now he negotiates the 252-yard par-three 6th in one blow. He’s -6 for the day and -5 for the week. A 6th career ace for the Korean star. Meanwhile, Alex Smalley makes a bogey at 18. He had to take a drop from the creek, but stay calm and limited the damage.