 Pari gbolohun yii: Kešelj jẹ ọmọ ẹgbẹ ti awọn ọmọ ẹgbẹ orilẹ-ede ti Serbia, o si dun ni 2007 FIBA Under-19 World Championship ni Novi Sad ati ni 2008 FIBA Europe Under-20 Championship. Kešelj tun jẹ ọmọ ẹgbẹ ti ẹgbẹ agbalagba ti orilẹ-ede Serbia ni : 2010 FIBA World Championship, nibi ti Serbia ti ṣẹgun nipasẹ Lithuania, ninu ere fun ami-ẹyẹ idẹ. O tun ṣe agbekalẹ fun ẹgbẹ agbabọọlu orilẹ-ede Serbia ni EuroBasket 2011, ni Lithuania, nibiti Serbia pari ni ipo kẹjọ. 