Buuxi weedha soo socota: Sanadkii 2011, Sundgren wuxuu ku soo laabtay kooxdiisii hore ee Lit inta badan xilli ciyaareedkii halka Alexander Lindström uu ka soo kabsanayay qalliin, isagoo ka caawiyay inay ku dhammaystiraan kaalinta koowaad ee tartanka qaranka ee Elite Series ee Sweden (in kasta oo ay ku soo baxeen kaalinta labaad ee finalka). Sundgren wuxuu la ciyaaray kooxda inta badan safarka caalamiga ah ee waayeelka qeybtii hore ee sanadka iyo mar kale dhamaadka xilli ciyaareedka ee Masters-ka Yurub. Xilli ciyaareedkii 2012-2013, Sundgren wuxuu ahaa hogaamiyaha waqtiga buuxa ee kooxda Eriksson markii ay kooxdu u guurtay Karlstad, waxaa sidoo kale ku soo biiray Markus Eriksson oo ahaa kii labaad, maadaama Alexander Lindström iyo Henrik Leek ay tallaabo ka qaadeen curling. Kooxda cusub ee dib loo habeeyay, Sundgren iyo asxaabtiisu waxay ku guuleysteen Swiss Cup Basel (2012) iyo European Masters (2013), iyo sidoo kale Universiade Jiilaalka (2013). Xilli ciyaareedkii 2013-14, Kooxda Eriksson waxay kaalinta labaad ka gashay Swiss Cup Basel, Mercure Perth Masters, iyo Sweden's Elite Series waxayna ku tartameen Kanada oo ka tirsan World Curling Tour, iyagoo kaalinta shanaad ka galay saddex dhacdo oo ay gaareen afar dhamaadkoodii ugu horreeyay ee Grand Slam ee Qaranka. Kooxda ayaa sidoo kale sannadkaas ku guuleysatay Horyaalka Curling-ka ee ragga ee Sweden, waxaana loo doortay inay Sweden u matalaan tartanka.
2014 Horyaalka Curling ee Ragga Adduunka, maadaama Kooxda Edin ay Sweden u matashay Horyaalka Curling ee Yurub. Inkasta oo kooxda ay ka badiyeen kooxda Norway ee finalka, waxay ka adkaadeen kooxda Kanada, oo uu Kevin Koe laba jeer ka booday dhacdada.