In the season 2006/2007 he became the Vice champion of Ukraine and took second place in Ukrainian Cup.

[7] After his Italian adventure he signed a contract with Greek Foinikas Syros V.C.

[8] Diachkov helped the Foinikas claim second place in the League Cup tournament.

The season 2014/2015 he played for Olympiacos S.C.[9] where he won the League Cup title and took second place in the Championship of Greece.

[10] From 2016 Andrii is playing in French Pro A League: Asul Lyon (2015/2016), Montpellier UC (2016/2018).