[1] On 29 July 2021, Mikhailovskii signed as a Next Star with the Tasmania JackJumpers of the Australian National Basketball League (NBL).

[2] He remained under contract with BC Avtodor, and his transfer to the Tasmania JackJumpers was technically a loan, with the provision that he might still play in Russia at the end of the season.

[4] In seven games at the 2018 Albert Schweitzer Tournament in Germany, Mikhailovskii averaged 17.3 points, 7.1 rebounds, and 1.7 steals per game for the Russian national under-18 team, who finished in fourth place, and made the All-Tournament Team.

[5] Mikhailovskii was named to the All-Star Five at the 2018 FIBA Europe Under-18 Championship in Riga, Latvia after averaging 16.3 points, 7.4 rebounds and 2.1 assists per game and leading Russia to fourth place.

[6] He played for the Russian under-19 team at the 2019 FIBA Under-19 World Cup in Heraklion, Greece.