Back in September 2015 he played in the Illinois Open, in the USA. After four rounds, Justin stood on 3½ points and in Round 5 faced Bulgarian GM Vladimir Georgiev (2541), now representing Macedonia. He had won his three previous rounds (plus a bye in Round 4).
Justin won the game in 33 moves and followed up with a draw in the final round, to finish equal first on 5 points. He won $649 for his efforts.
For ease of viewing, the game has been uploaded to the Bury St Edmunds club's website. You can play through the game here and see Justin's detailed annotations.