|
| R16 | 2021 M15 Parnu, Wk. 31 | Clay | W | Otto Virtanen | | [H2H] |
| R32 | 2021 M15 Parnu, Wk. 31 | Clay | W | Pietro Orlando Fellin | 6-2 6-0 | [H2H] |
|
| F | 2021 M15 Parnu, Wk. 31 | Clay | W | Bartosz Wojnar | 6-0 6-3 | [H2H] |
| QF | 2021 M15 Parnu, Wk. 31 | Clay | W | Erko Nigula | 6-1 6-1 | [H2H] |
|
| QF | 2021 M25 Wroclaw, Wk. 26 | Clay | L | Yann Wojcik | 7-6(0) 6-0 | [H2H] |
|
| SF | 2021 M15 Antalya, Wk. 25 | Clay | L | Thijmen Loof | 6-2 6-1 | [H2H] |
| QF | 2021 M15 Antalya, Wk. 25 | Clay | W | Gokberk Saritas | 7-6(9) 6-1 | [H2H] |
|
| SF | 2021 M15 Novomoskovsk, Wk. 22 | Clay | L | Dzianis Zharyn | 6-3 7-6(2) | [H2H] |
| QF | 2021 M15 Novomoskovsk, Wk. 22 | Clay | W | Niccolo Catini | 6-2 7-6(2) | [H2H] |
|
| SF | 2021 M15 Novomoskovsk, Wk. 21 | Clay | L | Timur Maulenov | 1-6 6-1 10-6 | [H2H] |
| QF | 2021 M15 Novomoskovsk, Wk. 21 | Clay | W | Dmitrii Vasilev | 6-1 6-3 | [H2H] |
|
| R16 | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | L | Yshai Oliel | 4-6 6-1 6-4 | [H2H] |
| R32 | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Justin Roberts | 2-6 6-2 7-5 | [H2H] |
|
| F | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Scott Duncan | 6-4 6-0 | [H2H] |
| SF | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Omer Yeshaya | 6-1 6-0 | [H2H] |
| QF | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Amit Cohen | 6-3 6-4 | [H2H] |
|
| R32 | 2021 M15 Monastir, Wk. 15 | Hard | L | Mirko Martinez | 6-2 6-1 | [H2H] |
|
| F | 2021 M15 Monastir, Wk. 15 | Hard | W | Bruno PUJOL Navarro | 6-3 6-1 | [H2H] |
| SF | 2021 M15 Monastir, Wk. 15 | Hard | W | Samuel Puskar | 6-2 6-1 | [H2H] |
| QF | 2021 M15 Monastir, Wk. 15 | Hard | W | Mauro De Maio | 6-3 6-1 | [H2H] |
|
| R32 | 2021 M15 Monastir, Wk. 14 | Hard | L | Michal Dembek | 7-6(3) 7-6(5) | [H2H] |
|
| F | 2021 M15 Monastir, Wk. 14 | Hard | W | Guy Orly Iradukunda | 1-6 6-3 13-11 | [H2H] |
| SF | 2021 M15 Monastir, Wk. 14 | Hard | W | Olivier Rojas | 6-4 6-3 | [H2H] |
| QF | 2021 M15 Monastir, Wk. 14 | Hard | W | Luigi Castelletti | 6-3 7-6(5) | [H2H] |
|
| F | 2021 M15 Bratislava, Wk. 9 | Hard | L | Mikalai Haliak | 6-4 6-4 | [H2H] |
| QF | 2021 M15 Bratislava, Wk. 9 | Hard | W | Radovan Michalik | 6-2 6-1 | [H2H] |
|
| F | 2021 M15 Nur-Sultan, Wk. 6 | Hard | L | Marco Brugnerotto | 6-3 7-5 | [H2H] |
| QF | 2021 M15 Nur-Sultan, Wk. 6 | Hard | W | Vladislav Tasenkov | 6-2 6-0 | [H2H] |
|
| F | 2021 M15 Nur-Sultan, Wk. 5 | Hard | L | Marco Brugnerotto | 2-6 7-6(7) 10-7 | [H2H] |
| QF | 2021 M15 Nur-Sultan, Wk. 5 | Hard | W | Bekzat Usipbekov | 6-2 6-4 | [H2H] |
