In golf there cannot be a more magical number than three. On a short hole, scoring a three is par, and three is a birdie on a par four.

Anders Hansen birdied the final hole Sunday to finish at 15-under 269 and beat Andrew McLardy by one stroke at the Jo’burg Open.

Ernie Els of South Africa remained on course for a seventh world match-play championship, with a six and five victory over Andres Romero of Argentina at Wentworth that booked a…