|
| R32 | 2021 M25 Afula, Wk. 45 | Hard | L | Roi Ginat | 7-5 4-6 7-6(2) | [H2H] |
|
| R32 | 2021 M25 Meitar, Wk. 44 | Hard | L | Stuart Parker | 6-2 6-3 | [H2H] |
|
| R32 | 2021 M15 Sharm El Sheikh, Wk. 43 | Hard | L | Marco Miceli | 7-6(3) 7-6(3) | [H2H] |
|
| R16 | 2021 M15 Sharm El Sheikh, Wk. 42 | Hard | L | Haoyuan Huang | 4-6 7-6(10) 6-3 | [H2H] |
| R32 | 2021 M15 Sharm El Sheikh, Wk. 42 | Hard | W | Cezar Cretu (ROU) | 6-1 6-0 | [H2H] |
|
| R32 | 2021 M15 Sharm El Sheikh, Wk. 41 | Hard | L | Mario Gonzalez Fernandez | 6-3 3-6 5-1 ret. | [H2H] |
|
| QF | 2021 M25 Pretoria, Wk. 39 | Hard | L | Michail Pervolarakis | 6-3 6-1 | [H2H] |
| R16 | 2021 M25 Pretoria, Wk. 39 | Hard | W | Devin Badenhorst | 6-3 5-7 6-3 | [H2H] |
| R32 | 2021 M25 Pretoria, Wk. 39 | Hard | W | Menelaos Efstathiou | 6-3 6-0 | [H2H] |
|
| R32 | 2021 M25 Johannesburg / Ellispark, Wk. 38 | Hard | L | Rio Noguchi | 7-6(4) 2-6 6-3 | [H2H] |
|
| R32 | 2021 M25 Johannesburg / Markspark, Wk. 37 | Hard | L | Alafia Ayeni | 7-5 6-3 | [H2H] |
|
| QF | 2021 M25 Trier, Wk. 34 | Clay | L | Henri Squire | 6-2 6-3 | [H2H] |
| R16 | 2021 M25 Trier, Wk. 34 | Clay | W | Constantin Schmitz | 6-4 6-2 | [H2H] |
| R32 | 2021 M25 Trier, Wk. 34 | Clay | W | Tom Gentzsch | 6-3 6-4 | [H2H] |
|
| R16 | 2021 M15 Oldenzaal, Wk. 33 | Clay | L | Alexander Hoogmartens | 1-6 7-5 6-3 | [H2H] |
| R32 | 2021 M15 Oldenzaal, Wk. 33 | Clay | W | Alec Deckers | 3-6 6-2 6-4 | [H2H] |
|
| R16 | 2021 M15 Frederiksberg, Wk. 31 | Clay | L | Benjamin Hannestad | 6-1 4-6 6-2 | [H2H] |
| R32 | 2021 M15 Frederiksberg, Wk. 31 | Clay | W | Leyton Rivera | 6-4 6-2 | [H2H] |
|
| R32 | 2021 M15 Vejle, Wk. 30 | Clay | L | Christian Sigsgaard | 6-3 6-2 | [H2H] |
|
| R32 | 2021 Amersfoort Challenger | Clay | L | Johan Nikles | 7-6(5) 6-2 | [H2H] |
|
| SF | 2021 M25 Marburg, Wk. 27 | Clay | L | Nick Hardt | 6-2 6-4 | [H2H] |
| QF | 2021 M25 Marburg, Wk. 27 | Clay | W | Milan Welte | 4-6 6-3 6-1 | [H2H] |
| R16 | 2021 M25 Marburg, Wk. 27 | Clay | W | Tim Handel | 6-3 6-4 | [H2H] |
| R32 | 2021 M25 Marburg, Wk. 27 | Clay | W | Yan Sabanin | 6-0 6-3 | [H2H] |
|
| R32 | 2021 M25 The Hague, Wk. 26 | Clay | L | Mateus Alves (2001) | 7-6(7) 6-3 | [H2H] |
|
| R16 | 2021 M15 Alkmaar, Wk. 25 | Clay | L | Marko Tepavac | 4-6 7-6(5) 6-1 | [H2H] |
| R32 | 2021 M15 Alkmaar, Wk. 25 | Clay | W | Guillaume Dermiens | 5-1 ret. | [H2H] |
|
| R16 | 2021 M15 Skopje, Wk. 23 | Clay | L | Miljan Zekic | 6-2 6-3 | [H2H] |
| R32 | 2021 M15 Skopje, Wk. 23 | Clay | W | Dian Nedev | 6-3 6-2 | [H2H] |
|
| F | 2021 M15 Skopje, Wk. 22 | Clay | L | Alexis Gautier | 6-2 3-6 6-2 | [H2H] |
