05 Sep 2021 to 12 Sep 2021ATP Challenger Cassis, France2021 ATP Challenger Cassis, France Men Singlesplayer-tournament-eliminated-textroundopponentsstatusscorequalificationHiroki MoriyaLost6 - 4 6 - 2
24 Aug 2021 to 13 Sep 2021US OpenUS Open Men Singles 2021player-tournament-eliminated-textmore-detailsfewer-detailsroundopponentsstatusscorequalificationEvgeny DonskoyLost4 - 6 7 - 5 6 - 7qualificationDamir DzumhurWon2 - 6 6 - 7qualificationSergiy StakhovskyWon4 - 6 7 - 5 6 - 3
30 May 2021 to 06 Jun 2021ATP Challenger Little Rock, USA2021 ATP Challenger Little Rock, USA Men Singlesplayer-tournament-eliminated-textmore-detailsfewer-detailsroundopponentsstatusscoreround_of_32Mitchell KruegerLost2 - 6 4 - 6
11 Apr 2021 to 18 Apr 2021ATP Challenger Orlando, USA2021 ATP Challenger Orlando, USA Men Singlesplayer-tournament-eliminated-textmore-detailsfewer-detailsroundopponentsstatusscorequarterfinalJenson BrooksbyLost6 - 4 6 - 3round_of_16Yasutaka UchiyamaWon7 - 6 7 - 6round_of_32Kevin KingWon6 - 3 1 - 6 6 - 1