In January 2019, Radjabov returned to Tata Steel Chess Tournament and placed 7th by earning 6.5 points (+1-1=11). In April, Radjabov played in Shamkir Chess for the 5th time. He also continued his rally in the world rankings and reached #12. In May, Teimour played in the Moscow round of 2019 FIDE Grand Prix, and was eliminated from the Moscow Grand Prix tournament in the first round on tie-breaks by American grandmaster Hikaru Nakamura. During the Hamburg round in November, Radjabov was eliminated by Daniil Dubov in the first round tie-breaks. In December, Radjabov missed the Jerusalem round due to health reasons.