Career
He has represented Great Britain at the Summer Olympics three times. He made his Olympic debut at the 2004 Games in Athens, Greece. Competing in the men"s individual foil.
He received a bye in the first round, beat China"s Wang Haibin in round two and Dan Kellner of the United States in the third round before being defeated 8–15 by Andrea Cassarà in the quarter-finals.
At the 2008 Summer Olympics in Beijing, China, Kruse again participated in the men"s individual foil event. He defeated Virgil Sălișcan of Romania in the round of 32 but was eliminated at the last 16 stage after a 9–10 loss to Germany"s Peter Joppich.
He finished 14th. In 2009 Kruse had his most successful season to date.
Kruse finished the season ranked fourth in the world. Kruse is coached by former Polish Olympian turned British national Ziemowit Wojciechowski.
He is also a coach for his ZFW fencing club Only 2 months later he claimed another bronze at the European Championships in Legnano, having been seeded 45th after the poule stages.
At the London Olympics later that year, he finished 17th in the men"s individual event, losing to Artur Akhmatkhuzin in the last 32.
He was part of the British team that came 6th, losing to Italy in the quarter-finals and then beating France and losing to Russia in the ranking rounds.