Ku qor sii wadida cutubkan - Jokubaitis wuxuu u ciyaaray Lithuania 2016 FIBA U16 European Championship ee Poland. Waxa uu celcelis ahaan helay 10 dhibcood wuxuuna kooxdiisa ka caawiyay inay ku guuleystaan billad qalin ah. Jokubaitis wuxuu ahaa ciyaaryahankii ugu da'da yaraa ee ka qeyb galay Koobka Adduunka ee FIBA ee 2017
Masar, celcelis ahaan 10 dhibcood iyo 5.3 caawin ciyaar kasta kooxda kaalinta lixaad. 2018 FIBA U18 European Championship ee Latvia, wuxuu celcelis ahaan helay 12.9 dhibcood iyo 5.6 dib u soo celinta ciyaar kasta markii kooxdiisu dhammaysatay kaalinta shanaad. Jokubaitis ayaa Lithuania u horseeday kaalinta afaraad ee Koobka Adduunka ee FIBA ee 2019 ee ka socda Giriiga, halkaas oo uu ku celcelis ahaan 11.3 dhibcood iyo 5.6 caawin ciyaar kasta.