The 2023 Daniil Medvedev tennis season officially began on 1 January 2023, with the start of the Adelaide International,[2][3][4] and ended 18 November 2023 after defeat by Jannik Sinner in the semifinals of the ATP Finals.

[5] Medvedev was a defending finalist, he lost to Sebastian Korda on the third round with a dazzling straight-sets upset, falling out of top 10 since August 2019.

[6] Daniil Medvedev defeated Jannik Sinner in straight sets to win the 2023 Rotterdam Open for the first time.

Daniil Medvedev defeated Andy Murray in straight sets to win his second consecutive title of the 2023 season.

Medvedev rolled his ankle in his fourth-round victory against Alexander Zverev and then cut his thumb badly in his quarter-final win against Alejandro Davidovich Fokina.