[2] He achieved the second at the World Junior Chess Championship in September, improving his rating to 2500 in the process.

In October 2018, he scored his third GM norm at the First Saturday tournament, becoming the second-youngest grandmaster in history at the time.

In October 2023, Sindarov played on board 2 for Uzbekistan in the Asian Games, scoring 6/8 while his team earned a bronze medal behind India and Iran; after that, he took part in the strong Qatar Masters Open tournament, in which he scored 6,5/9 while not losing any game, thus gaining 22 rating points between the two tournaments.

In November, Sindarov entered the FIDE Grand Swiss and performed very well, finishing eighth overall with 7/11.

In June 2024, he took part in the first ever UzChess Cup Masters, a ten-player round robin super tournament in Uzbekistan, and finished fifth overall, obtaining a notable win against fellow Uzbek and world #5 Nodirbek Abdusattorov.