Marina Bay Sands in Singapore held a golf lesson for kids on Friday and from the looks of it they needed a substitute teacher. Who was available, you may ask? How about the current No. 1 player in the world who has 14 major championships to his name. The session was held on the custom-made golf course with student athletes from the Singapore Sports School, Golf Academy and the Dyslexia Association of Singapore. Check out a gallery of the event here, or click on the image below.