Lee Westwood celebrated with girlfriend Helen Storey, who caddied for him, after finishing his round-final leaderboard-15 Westwood (Eng); -12 Garcia (Spa); -11 Oosthuizen (SA); -8 Fisher (Eng); -7 Li (Chn), Wallace (Eng) Other selected: -1 McIlroy (NI); E Johnson (Eng), Fitzpatrick (Eng); +1 Lowry (Ire), Harrington (Ire); +4 Willett (1945) England Lee Westwood shot a stunning 8-under-par 64 to win the Nedbank Challenge – his first win on the European Tour for four years.
The former number one in the world took the lead from Louis Oosthuizen with a bird on 17, completion of the back nine in 31 to finish 15 below.
The challenge of the South African disappeared when he finished third at eleven-year-old behind Spanish night leader Sergio Garcia.
"I'm a bit emotional to be honest," said a tearful Westwood, 45.
He told Sky Sports: "You never know for sure whether you'll be able to do it again
"Up to now, my emotions really felt under control all day, and I worked hard on that. I was just trying to hit fairways, to stick to my game plan and get it in the right places.
"I have a bit of a process that I go through with my golf swing, I" I start seeing better shots, the seven iron in 17 is probably one of the best photos I've ever had and it just worked. "
Westwood, who crowned six birds and an eagle at the second hole in his round, celebrated with caddy and girlfriend Helen Storey after throwing a putt on the 18th.
The victory was Westwood's 24th on the European Tour and his third on the Nedbank.
Oosthuizen scored a 69, with a harmful bogey on the 15th and ending with double bogey on the 18th.
Garcia hit a 70 when his two-shot lead from the third round disappeared.
Ross Fisher of England (70) finished fourth at eight lower, a shot for compatriot Matt Wallace (67).
Four-time big winner Rory McIlroy (71) ended in a draw for 2 1st to 1 below.