|
| R32 | 2021 M25 Sintra, Wk. 36 | Hard | W | Yannick Mertens | | [H2H] |
|
| R16 | 2021 M15 Monastir, Wk. 35 | Hard | L | Max Alcala Gurri | 6-3 1-6 7-5 | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 35 | Hard | W | Alex Knaff | 5-7 7-6(6) 6-3 | [H2H] |
|
| QF | 2021 M15 Monastir, Wk. 34 | Hard | L | Robin Bertrand | 6-4 6-4 | [H2H] |
| R16 | 2021 M15 Monastir, Wk. 34 | Hard | W | Terence Atmane | 2-6 6-4 7-6(3) | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 34 | Hard | W | Omni Kumar | 6-7(5) 6-4 6-1 | [H2H] |
|
| R32 | 2021 M15 Monastir, Wk. 33 | Hard | L | Luciano Darderi | 6-4 6-3 | [H2H] |
|
| R32 | 2021 M25 Decatur, Wk. 31 | Hard | L | Shintaro Imai | 6-1 6-2 | [H2H] |
|
| R16 | 2021 M25 Champaign, Wk. 30 | Hard | L | Yu Hsiou Hsu | 7-6(6) 6-4 | [H2H] |
| R32 | 2021 M25 Champaign, Wk. 30 | Hard | W | Eliot Spizzirri | 7-5 7-6(1) | [H2H] |
|
| R16 | 2021 M15 Edwardsville, Wk. 29 | Hard | L | Cannon Kingsley | 6-2 6-2 | [H2H] |
| R32 | 2021 M15 Edwardsville, Wk. 29 | Hard | W | Chad Kissell | 3-6 7-5 7-6(2) | [H2H] |
|
| SF | 2021 M25 Wichita, Wk. 23 | Hard | L | Patrick Kypson | 6-3 6-2 | [H2H] |
| QF | 2021 M25 Wichita, Wk. 23 | Hard | W | Genaro Alberto Olivieri | 3-6 6-3 6-4 | [H2H] |
| R16 | 2021 M25 Wichita, Wk. 23 | Hard | W | Ezekiel Clark | 3-6 6-3 6-3 | [H2H] |
| R32 | 2021 M25 Wichita, Wk. 23 | Hard | W | Wilson Leite | 6-2 2-6 7-6(3) | [H2H] |
|
| R16 | 2021 M15 Heraklion, Wk. 21 | Hard | L | Arthur Fery | 6-1 3-6 6-2 | [H2H] |
| R32 | 2021 M15 Heraklion, Wk. 21 | Hard | W | Gianmarco Ferrari | 6-3 6-2 | [H2H] |
|
| R16 | 2021 M15 Heraklion, Wk. 20 | Hard | L | Dusty H. Boyer | 3-6 6-3 6-4 | [H2H] |
| R32 | 2021 M15 Heraklion, Wk. 20 | Hard | W | Kelsey Stevenson | 3-6 6-3 7-5 | [H2H] |
|
| QF | 2021 M15 Jerusalem, Wk. 19 | Hard | L | Alexandar Lazarov | 2-6 7-5 6-3 | [H2H] |
| R16 | 2021 M15 Jerusalem, Wk. 19 | Hard | W | Karlo Cubelic | 6-2 6-0 | [H2H] |
| R32 | 2021 M15 Jerusalem, Wk. 19 | Hard | W | Jordan Hasson | 1-6 6-1 6-2 | [H2H] |
|
| SF | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | L | Yshai Oliel | 6-1 6-4 | [H2H] |
| QF | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Marat Deviatiarov | 7-5 6-4 | [H2H] |
| R16 | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Filip Bergevi | 6-2 6-2 | [H2H] |
| R32 | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Dylan Salton | 6-0 7-5 | [H2H] |
|
| QF | 2021 Salinas Challenger | Hard | L | Gonzalo Villanueva | 6-7(1) 6-4 7-5 | [H2H] |
|
| R32 | 2021 Cleveland Challenger | Hard | L | Brayden Schnur | 7-6(0) 7-6(4) | [H2H] |
|
| F | 2021 Cleveland Challenger | Hard | W | Martin Redlicki | 6-7(10) 6-1 6-4 | [H2H] |
