in the 2012/2013 season jezki was mainly campaigned in novice hurdle races. he prepared for the national hunt season by finishing fifth in a flat race at navan racecourse on 10 october. ridden for the first time by barry geraghty, he made his debut over obstacles at naas racecourse on 29 october and prevailed by three quarters of a length from the odds-on favourite ally cascade. twelve days later at the same course he won the grade iii fishery lane hurdle, beating seven opponents at odds of 13/8. the gelding was then moved up in class for the grade i royal bond novice hurdle at fairyhouse in december in which he was matched against champagne fever for the second time. he was retrained by geraghty in the early stages before overtaking champagne fever at the last hurdle and winning by one and a half lengths. at the end of the month, jezki, ridden by robbie power, started 11/8 favourite for the grade i future champion novice hurdle at punchestown racecourse and won easily by six lengths from the dermot weld-trained waaheb.