Jan Klossner (Langenthal, SUI) qualified for the 2018 EJCT Prague Junior Mens Cup playoffs, dropping their quarterfinals match 6-3 against Benny Kapp (Fuessen, GER). of the 2018 EJCT Prague Junior Mens Cup in Prague, Czech Republic;
 
Klossner finished 3-1 in the 12-team qualifying round. . In their opening game, Klossner lost 7-3 to Arvid Norin (Harnosand, SWE), then responded with a 7-2 win over Jakub Cervenka (Bratislava, SVK). Klossner won 8-4 against Adam Podolka (Prague, CZE), then won 6-3 against Jan Borecky (Prague, CZE) in their final qualifying round match.
 
. For week 14 of the event schedule, Klossner did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Klossner ranks th overall on the Year-to-Date rankings with points earned so far this season.