Mark Johnston-Allen

Mark Johnston-Allen (born 28 December 1968 ) is a former professional snooker player.

Career
Johnston-Allen reached the final of the 1991 European Open while ranked #59 in the world, a run which included a 5–0 win over Stephen Hendry, but lost 7–9 to Tony Jones in the final. He reached the final of the same event again a year later, this time losing 9–3 to Jimmy White. He qualified for the main stage of the World Championship in 1992, but lost 4–10 to Tony Knowles in the first round.

At the International Open in 1995, he knocked out Hendry, Mark Williams and Ronnie O'Sullivan before losing 5–0 to White in the quarter-finals. He defeated White en route to the semi-finals of the 1995 Thailand Open, where he lost to James Wattana. His world ranking peaked at number 31, in the 1992/1993 season, During his career, he won each of his three matches against Stephen Hendry.