In 2015, he had another run abroad this time in the regional Switzerland circuit with NK Pajde Möhlin.[17] Zelenika would feature in the 2015 Basel Cup final against FC Pratteln, where he contributed a goal.[18] He also participated in the 2015 Croatian World Club Championship, where he was named best player in the tournament.[19] Pajde Möhlin would end up defeating Vojvodina Croats in the tournament finals.[20][21]
Following his stint in Switzerland, he transferred over to SG HWW Niederroßbach in the German Bezirksliga in 2016.[22] He would re-sign with Niederroßbach for the 2017 season.[23] The 2018 season would mark his third and final with Niederroßbach.[24]
Canada
In the summer of 2019, he played in the Canadian Soccer League with Hamilton City SC.[25] Throughout the 2019 campaign, he helped the club in securing a playoff berth by finishing sixth in the league's first division.[26] Hamilton would be eliminated in the first round of the playoffs by Ukraine United in a penalty shootout.[27]
Germany
After the conclusion of the Canadian season, he played the remainder of the season by returning to the German regional circuit to sign with TuS Montabaur.[28] He re-signed with Montabaur for the following season.[29] After two seasons with Montabaur, he departed in 2021 to play with Posavina Frankfurt.[30]
^"Jutarnji list - Kamen Ingrad" [Kamen Ingrad roster]. www.jutarnji.hr (in Croatian). 13 February 2007. Retrieved 13 February 2024.
^Maaherra, Petter (22 May 2007). "Kroater på väg till UFC" [Croatians on their way to the UFC]. www.expressen.se (in Swedish). Retrieved 13 February 2024.
^Rapić, Darko (5 January 2014). "NOGOMET: Koji su najvrjedniji igrači lige?" [FOOTBALL: Who are the league's most valuable players?]. Portal grada Kaštela (in Croatian). Retrieved 13 February 2024.
^Stupar, Zoran (5 July 2015). "7 ljudi koji su obilježili 3. SP hrvatske dijaspore" [7 people who marked the 3rd WC of the Croatian diaspora]. CroExpress │Informativni medij Hrvata izvan Republike Hrvatske. Retrieved 13 February 2024.