|
| R16 | 2020 Potchefstroom Challenger | Hard | L | Daniel Masur | 3-6 1-1 ret. | [H2H] |
| R32 | 2020 Potchefstroom Challenger | Hard | W | Fabrizio Ornago | 6-1 3-6 6-2 | [H2H] |
|
| R32 | 2020 M25 Antalya, Wk. 9 | Clay | L | Fabian Marozsan | 6-3 6-2 | [H2H] |
|
| R64 | 2020 Koblenz Challenger | Hard | L | Alessandro Bega | 6-1 6-2 | [H2H] |
|
| R16 | 2020 M25 Nussloch, Wk. 4 | Carpet | L | Elmar Ejupovic | 7-5 1-0 ret. | [H2H] |
| R32 | 2020 M25 Nussloch, Wk. 4 | Carpet | W | Milan Welte | 4-6 6-2 6-1 | [H2H] |
|
| R32 | 2020 M25 Rancho Santa Fe, Wk. 3 | Hard | L | Pedro Sakamoto | 7-5 6-1 | [H2H] |
|
| QF | 2020 Ann Arbor Challenger | Hard | L | Daniel Altmaier | 7-6(4) 7-5 | [H2H] |
| R16 | 2020 Ann Arbor Challenger | Hard | W | Pedro Sakamoto | 4-6 6-3 7-5 | [H2H] |
| R32 | 2020 Ann Arbor Challenger | Hard | W | Sebastian Korda | 7-5 6-3 | [H2H] |
| R64 | 2020 Ann Arbor Challenger | Hard | W | Julian Ocleppo | 6-4 6-3 | [H2H] |
|
| R32 | 2019 Houston Challenger | Hard | L | Tennys Sandgren | 6-3 7-5 | [H2H] |
| R64 | 2019 Houston Challenger | Hard | W | Christopher Heyman | 6-4 6-4 | [H2H] |
|
| R32 | 2019 Knoxville Challenger | Hard | L | Peter Polansky | 6-2 7-5 | [H2H] |
| R64 | 2019 Knoxville Challenger | Hard | W | Blaz Kavcic | 6-2 7-6(2) | [H2H] |
|
| R64 | 2019 Charlottesville Challenger | Hard | L | Thomaz Bellucci | 7-5 6-4 | [H2H] |
|
| R64 | 2019 Fairfield Challenger | Hard | L | Nicolas Mejia | 2-6 6-1 6-4 | [H2H] |
|
| R32 | 2019 Tiburon Challenger | Hard | L | Thanasi Kokkinakis | 6-4 6-0 | [H2H] |
| R64 | 2019 Tiburon Challenger | Hard | W | Oliver Crawford | 6-7(3) 6-4 6-4 | [H2H] |
|
| R32 | 2019 Colombus Challenger 1 | Hard | L | Michael Mmoh | 7-5 7-6(5) | [H2H] |
| R64 | 2019 Colombus Challenger 1 | Hard | W | Ryan Peniston | 6-1 6-3 | [H2H] |
|
| RR | 2019 SWE VS ISR - DC - R1 | Hard | L | Mikael Ymer | 6-3 7-5 | [H2H] |
|
| QF | 2019 M25 Bagneres-De-Bigorre, Wk. 36 | Hard | L | Evan Hoyt | 7-6(8) 3-6 6-1 | [H2H] |
| R16 | 2019 M25 Bagneres-De-Bigorre, Wk. 36 | Hard | W | Axel Garcian | 6-2 6-2 | [H2H] |
| R32 | 2019 M25 Bagneres-De-Bigorre, Wk. 36 | Hard | W | Yanais Laurent | 6-3 6-2 | [H2H] |
|
| F | 2019 M25 Ust-Kamenogorsk, Wk. 35 | Hard | W | Konstantin Kravchuk | 2-2 ret. | [H2H] |
| SF | 2019 M25 Ust-Kamenogorsk, Wk. 35 | Hard | W | Alexey Zakharov | 4-0 ret. | [H2H] |
| QF | 2019 M25 Ust-Kamenogorsk, Wk. 35 | Hard | W | Grigoriy Lomakin | 7-5 6-0 | [H2H] |
| R16 | 2019 M25 Ust-Kamenogorsk, Wk. 35 | Hard | W | Martin Borisiouk | 6-1 6-4 | [H2H] |
| R32 | 2019 M25 Ust-Kamenogorsk, Wk. 35 | Hard | W | Aliaksandr Prudnikau | 6-2 6-1 | [H2H] |
