|
| R32 | 2021 M15 Antalya, Wk. 50 | Clay | L | Dragos Nicolae Madaras | 6-2 7-5 | [H2H] |
|
| R32 | 2021 M15 Ostrava, Wk. 47 | Hard | L | Adam Pavlasek | 6-0 6-2 | [H2H] |
|
| F | 2021 M15 Ostrava, Wk. 47 | Hard | W | Christopher Patzanovsky | 7-6(3) 3-6 10-7 | [H2H] |
| QF | 2021 M15 Ostrava, Wk. 47 | Hard | W | Simon Sedliak | 7-6(9) 6-3 | [H2H] |
|
| F | 2021 M15 Zlatibor, Wk. 37 | Clay | L | Petar Pjevcevic | 4-6 6-0 11-9 | [H2H] |
| SF | 2021 M15 Zlatibor, Wk. 37 | Clay | W | Sasa Markovic | 4-6 6-2 10-8 | [H2H] |
|
| SF | 2021 M15 Ulcinj, Wk. 35 | Clay | L | Ioannis Xilas | 6-4 6-1 | [H2H] |
|
| F | 2021 M15 Novi Sad, Wk. 30 | Clay | L | Charles Broom | 6-4 7-6(7) | [H2H] |
| SF | 2021 M15 Novi Sad, Wk. 30 | Clay | W | Tomas Jirousek | 3-6 6-0 10-4 | [H2H] |
| QF | 2021 M15 Novi Sad, Wk. 30 | Clay | W | Alan Postay | 6-2 6-3 | [H2H] |
|
| R32 | 2021 M15 Sarajevo, Wk. 22 | Clay | L | Matheus Pucinelle De Almeida | 6-3 6-2 | [H2H] |
|
| F | 2021 M15 Sarajevo, Wk. 22 | Clay | W | Matej Galik | 6-3 4-6 10-7 | [H2H] |
| SF | 2021 M15 Sarajevo, Wk. 22 | Clay | W | Nicolas Zanellato | 6-3 6-1 | [H2H] |
| QF | 2021 M15 Sarajevo, Wk. 22 | Clay | W | Ivan Randjelovic | 6-0 6-2 | [H2H] |
|
| R16 | 2021 M25 Kiseljak, Wk. 21 | Clay | L | Aldin Setkic | 6-2 6-4 | [H2H] |
| R32 | 2021 M25 Kiseljak, Wk. 21 | Clay | W | Stefan Micov | 6-4 6-1 | [H2H] |
|
| F | 2021 M25 Kiseljak, Wk. 21 | Clay | W | Goran Zivotic | 6-0 6-0 | [H2H] |
| SF | 2021 M25 Kiseljak, Wk. 21 | Clay | W | Drazen Petrovic | 6-1 6-3 | [H2H] |
| QF | 2021 M25 Kiseljak, Wk. 21 | Clay | W | Samuel MARTINEZ Arjona | 6-3 6-2 | [H2H] |
|
| R32 | 2021 M15 Sibenik, Wk. 20 | Clay | L | Naoki Tajima | 7-6(2) 6-1 | [H2H] |
|
| R16 | 2021 M25 Prijedor, Wk. 19 | Clay | L | Matheus Pucinelle De Almeida | 6-1 6-1 | [H2H] |
| R32 | 2021 M25 Prijedor, Wk. 19 | Clay | W | Bogdan Bajic | 4-6 6-3 4-1 ret. | [H2H] |
|
| F | 2021 M25 Prijedor, Wk. 19 | Clay | W | Matic Dimic | 6-2 2-6 10-7 | [H2H] |
| SF | 2021 M25 Prijedor, Wk. 19 | Clay | W | Elgin Khoeblal | 6-2 7-5 | [H2H] |
| QF | 2021 M25 Prijedor, Wk. 19 | Clay | W | Lilian Breut | 2-6 6-2 10-8 | [H2H] |
|
| R32 | 2021 M15 Sibenik, Wk. 16 | Clay | L | Alen ROGIC Hadzalic | 7-6(5) 7-5 | [H2H] |
|
| F | 2021 Split 2 Challenger | Clay | L | Lukas Klein | 6-1 6-4 | [H2H] |
| QF | 2021 Split 2 Challenger | Clay | W | Gian Marco Moroni | 6-3 2-6 7-6(4) | [H2H] |
|
| QF | 2021 Split Challenger | Clay | L | Blaz Kavcic | 6-4 6-3 | [H2H] |
|
| F | 2021 M15 Opatija, Wk. 12 | Clay | L | Francesco Passaro | 6-2 6-3 | [H2H] |
