South Africa's Hennie Otto claimed his first European Tour title as he won the Italian Open in Milan.

Otto let a five-shot lead slip for the second time in four starts, but held his nerve to triumph by one shot over Englishman Oliver Wilson.

Needing a par four on the last to win, the 31-year-old played a great shot to within six feet and holed to clinch it.

Otto finished with a 25-under aggregate of 263 - one outside Percy Alliss's 1935 tournament record.

Following his win, a relieved Otto said: "I thought I was under the lip of the bunker on the last.