[1] Adomaitis was a member of the Lithuanian national team, which won the bronze medal at the 2000 Olympic Games.

[3] In June 2012, he signed a contract with Anwil Włocławek to be the head coach, but he was fired the same year because of bad team results.

[8] On 21 June 2018 Adomaitis was hired as head coach by Rytas Vilnius of the Lithuanian Basketball League.

[10] On 14 January 2021 Adomaitis signed as head coach with Hapoel Jerusalem of the Israeli Basketball Premier League.

[14] On 25 October 2016 Adomaitis was appointed as head coach for the Lithuanian national basketball team, following the departure of Jonas Kazlauskas shortly after the 2016 Rio Olympics.