 Nyorai kuenderera mberi kweiyi ndima - Klaasen akasangana naGary Anderson mumutambo wechipiri we2015 World Championshippashure pokunge vaoneka hama yavo yomunyika Christian Kist 31. Klaasen akaenderera mberi 3-1 uye aive makumbo maviri kuenda kune imwe mberi mune inotevera seti, Anderson asati atora 84 pamombe Klaasen achimirira pa 89 yemutambo. Anderson akavhara seti mumutambo unotevera uye akakunda maseti maviri ekupedzisira nemakumbo matatu kuenda kune imwe scorelines kuhwina 43. Vatambi vose vari vaviri vakaita avhareji yeanopfuura zana nemakumi maviri nemazana masere akandwa panguva yemutambo. Klaasen akakunda Phil Taylor 62 paUK Open Qualifier yechina kuti atambe mufainari yake yekutanga mumakore anenge maviri. Zvisinei, akarasikirwa nemiseve gumi yemutambo kuti asvetuke kubva pa52 pamberi paMichael van Gerwen kuti arasikirwe ne65. PaUK Open, Klaasen akakunda Brendan Dolan 94, asati arova 95 kuna Andrew Gilding mumutambo wechina. Klaasen akarekodha kukunda kwakateedzana pamusoro paAdrian Lewis, Mervyn King naSimon Whitlock kuti vasvike kumagumo e12th Players Championship uko, mushure mekutora gumbo rekutanga, akarohwa 61 naPeter Wright. Klaasen akasvika kumagumo ake echitatu egore pa14th Players Championship uye akakunda zita rake rekutanga mumakore anenge masere nekurova Ian White 62. Akakundwa naWhitlock 10x4 mumutambo wokutanga weWorld Matchplay. MunaGunyana, zita raKlaasen rechipiri regore rakauya pa16th Players Championship nekukunda 6 × 4 pamusoro paRaymond van Barneveld. 