Every 9-darter in World Darts Grand Prix history

Every 9-darter in World Darts Grand Prix history originally appeared on The Sporting News . Add The Sporting News as a Preferred Source by clicking here .

A 9-darter is tough enough to hit in a regular match, but in the World Grand Prix, it's an even more impressive feat to achieve.

In fact, it's only happened a few times before, because of the additional challenge of the double-in, double-out format.

Let's take a look at all of the 9-darters in the event's history.