He first took up darts as a two-year-old, stopped playing at the age of 12, and then started playing again when he was 22. He turned professional in 2008 and won his first event at the 2010 German Open.

Winstanley won the German Open, England Open, and Belgium Open in 2010. As a result of his performances on the BDO circuit, he qualified for the 2010 Winmau World Masters as the fourth seed. He defeated Stewart Rattray in the last 16 before losing to Martin McCloskey in the quarter-finals.

Winstanley also qualified for the 2011 World Championship as the third seed. In the first round, he survived two match darts against Martin Atkins before winning 3–2. He then defeated Robbie Green 4–1 in the second, Stephen Bunting 5–1 in the quarter-final and Jan Dekker 6–2 in the semi-finals, thus making him one of a small number of players to have reached the final at his first attempt. He was defeated 7–5 by Martin Adams in the final, having led 4–3 and 5–4. Later that year, Winstanley reached the final of the World Masters, where he was beaten 7–2 in sets by Scott Waites.

Winstanley qualified for the 2011 Grand Slam of Darts. He topped his group with victories over Ted Hankey, Ian White and Raymond van Barneveld. In the second round, he lost 10–9 to Mark Walsh having narrowly missed three match darts at 9–8 in front and a further two in the deciding leg.

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Wikipedia