Peter had a remarkable year in 2013. After winning the British Cadet U18 Championships in January , he then stepped up an age group and won the British U21 Championships.
The year saw him progress to win bronze medals at the Cadet U18 European Cups in Portugal and Czech Republic and a gold medal in the Junior U21 European Cup in Lithuania. He also won Cadet Player of the Year at the British Judo Awards.
Between June and August of the same year, Peter won bronze at the Cadet European Championships in Estonia, a silver at the European Youth Olympic Festival in Utrecht, Netherlands and a bronze at the World Cadet Championships in Miami USA.