|
| R32 | 2021 M25 Decatur, Wk. 31 | Hard | L | Yu Hsiou Hsu | 6-4 6-4 | [H2H] |
|
| R32 | 2021 M25 Champaign, Wk. 30 | Hard | L | Joshua Peck | 6-3 1-6 7-6(5) | [H2H] |
|
| QF | 2021 M15 Champaign, Wk. 25 | Hard | L | Kyle Seelig | 6-4 6-1 | [H2H] |
| R16 | 2021 M15 Champaign, Wk. 25 | Hard | W | Siphosothando Montsi | 4-6 6-3 6-4 | [H2H] |
| R32 | 2021 M15 Champaign, Wk. 25 | Hard | W | Alexander Brown | 6-3 6-0 | [H2H] |
|
| QF | 2021 M25 Tulsa, Wk. 24 | Hard | L | Nicolas Kicker | 6-1 7-6(5) | [H2H] |
| R16 | 2021 M25 Tulsa, Wk. 24 | Hard | W | Oliver Crawford | w/o | [H2H] |
| R32 | 2021 M25 Tulsa, Wk. 24 | Hard | W | Stefan Kozlov | 7-6(4) 6-4 | [H2H] |
|
| QF | 2021 M25 Wichita, Wk. 23 | Hard | L | Sho Shimabukuro | 6-3 6-3 | [H2H] |
| R16 | 2021 M25 Wichita, Wk. 23 | Hard | W | Dane Sweeny | 6-4 6-4 | [H2H] |
| R32 | 2021 M25 Wichita, Wk. 23 | Hard | W | Tristan Schoolkate | 7-5 6-2 | [H2H] |
|
| QF | 2021 Little Rock Challenger | Hard | L | Sebastian Fanselow | 6-4 7-5 | [H2H] |
|
| R16 | 2021 M15 Monastir, Wk. 20 | Hard | L | Thomas Fancutt | 6-4 7-5 | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 20 | Hard | W | Yuta Kikuchi | 6-4 7-6(4) | [H2H] |
|
| R16 | 2021 M15 Monastir, Wk. 19 | Hard | L | Alexander Donski | 7-6(2) 7-6(7) | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 19 | Hard | W | Ammar Elamin | 6-0 6-2 | [H2H] |
|
| R16 | 2021 M15 Monastir, Wk. 15 | Hard | L | Benjamin Pietri | 2-1 ret. | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 15 | Hard | W | Sean Hodkin | 6-4 6-4 | [H2H] |
|
| F | 2021 Cleveland Challenger | Hard | L | Aleksandar Kovacevic | 6-4 6-2 | [H2H] |
| QF | 2021 Cleveland Challenger | Hard | W | Ryan Shane | 7-6(3) 4-6 6-2 | [H2H] |
|
| R16 | 2021 M15 Sharm El Sheikh, Wk. 10 | Hard | L | Sasi Kumar Mukund | 6-3 7-6(0) | [H2H] |
| R32 | 2021 M15 Sharm El Sheikh, Wk. 10 | Hard | W | Roman Andres Burruchaga | 7-5 3-6 6-3 | [H2H] |
|
| QF | 2021 M15 Sharm El Sheikh, Wk. 9 | Hard | L | Edoardo Eremin | 7-6(8) 6-4 | [H2H] |
| R16 | 2021 M15 Sharm El Sheikh, Wk. 9 | Hard | W | Roman Andres Burruchaga | 6-7(3) 6-4 6-3 | [H2H] |
| R32 | 2021 M15 Sharm El Sheikh, Wk. 9 | Hard | W | Takuto Niki | 7-6(4) 7-5 | [H2H] |
|
| RR | 2021 ATP Cup | Hard | L | Pablo Carreno Busta | 6-3 6-4 | [H2H] |
| RR | 2021 ATP Cup | Hard | L | John Millman | 6-2 6-3 | [H2H] |
|
| R32 | 2020 M15 Heraklion, Wk. 48 | Hard | L | Jakub Paul | 6-0 6-3 | [H2H] |
|
| R32 | 2020 M15 Heraklion, Wk. 47 | Hard | L | Denis Yevseyev | 3-6 6-1 ret. | [H2H] |
|
| R32 | 2020 M15 Heraklion, Wk. 46 | Hard | L | Sho Shimabukuro | 6-4 6-4 | [H2H] |
