Kokiri defeated Warren Parry in the final of the 2015 Oceanic Masters to qualify for the 2016 PDC World Darts Championship. He played former world champion Steve Beaton in the first round, losing 3–0. Kokiri won the 2016 West Coast Classic by beating Adam Rowe and lost 6–3 in the final of the Perth Open to David Platt. He played in the Perth Darts Masters, but was knocked out 6–1 by Dave Chisnall in the opening round. Who played in the 2017 Melbourne Darts Masters but knocked out 6–3 by James Wade and the 2017 Perth Darts Masters but was knocked out stages by 6–0 by Daryl Gurney.