Born in Bolton, Lancashire, but raised in Edinburgh. Oldcorn won the English Amateur Championship in 1982 but, after many years living in Scotland, was eventually given status as a Scot.

Secured the biggest title of his career at the BMW PGA Championship at Wentworth Club as he edged out Angel Cabrera and Sir Nick Faldo – one of his three victorious on the European Tour.

Won his second European Senior Tour title in 2016 at the WINSTONgolf Senior Open, defeating Paul Broadhurst in a play-off.