[2] The next summer he ended his fourteen-year tenure at Saburtalo and moved to Liga 2 side Dinamo Batumi on a two-year deal, later extended for another two years.
In the first season, he featured in all remaining 19 games and helped the team to seal an immediate promotion back to the top tier.
[4] Later the same year, Dinamo Batumi won the champion's title with Mamuchashvili taking part in all games, except for one, and scoring nine goals.
[6] Mamuchashvili made 24 appearances in all competitions the next year, becoming the team's top scorer with eight goals by early August.
He made a debut for the senior team on 5 September 2021 in a World Cup qualifier against Spain, a 0–4 away loss.