Champaign CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Stefan Kozlov | d. | Aleksandar Vukic | 5-7 6-3 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Stefan Kozlov | d. | J J Wolf | 6-2 6-3 |
| Aleksandar Vukic | d. | Yosuke Watanuki | 7-6(8) 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Stefan Kozlov | d. | Mitchell Krueger | 6-4 6-4 |
| J J Wolf | d. | Vasil Kirkov | 6-3 6-2 |
| Aleksandar Vukic | d. | Go Soeda | 6-2 6-2 |
| Yosuke Watanuki | d. | Ben Shelton | 6-2 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Mitchell Krueger | d. | Christian Harrison | 6-3 1-6 6-4 |
| Stefan Kozlov | d. | Keegan Smith | 6-3 6-1 |
| J J Wolf | d. | Kaichi Uchida | 6-3 6-4 |
| Vasil Kirkov | d. | Nick Chappell | 6-2 6-3 |
| Go Soeda | d. | Jason Jung | 6-4 5-7 6-4 |
| Aleksandar Vukic | d. | Gijs Brouwer | 6-4 6-4 |
| Ben Shelton | d. | Pedja Krstin | 4-6 6-0 6-1 |
| Yosuke Watanuki | d. | Daniel Altmaier | 6-2 6-1 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Mitchell Krueger | d. | Nicolas Mejia | 6-3 6-3 |
| Christian Harrison | d. | Ezekiel Clark | 4-6 6-3 6-3 |
| Keegan Smith | d. | Michael Mmoh | 5-3 RET |
| Stefan Kozlov | d. | Jc Aragone | 3-6 6-3 6-4 |
| J J Wolf | d. | Tatsuma Ito | 6-3 3-6 6-3 |
| Kaichi Uchida | d. | Yasutaka Uchiyama | 6-4 3-1 RET |
| Nick Chappell | d. | Emilio Nava | 6-3 7-6(5) |
| Vasil Kirkov | d. | Prajnesh Gunneswaran | 7-5 6-1 |
| Jason Jung | d. | Mikael Torpegaard | 6-2 3-6 6-4 |
| Go Soeda | d. | Thai Son Kwiatkowski | 6-1 6-4 |
| Gijs Brouwer | d. | Aleksandar Kovacevic | 7-5 3-6 7-6(5) |
| Aleksandar Vukic | d. | Tung Lin Wu | 6-3 6-3 |
| Ben Shelton | d. | Blaz Rola | 3-6 6-4 6-4 |
| Pedja Krstin | d. | Arjun Kadhe | 7-5 7-5 |
| Yosuke Watanuki | d. | Alexis Galarneau | 6-4 4-6 6-0 |
| Daniel Altmaier | d. | Malek Jaziri | 6-3 6-4 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Gijs Brouwer | d. | Sho Shimabukuro | 6-3 6-2 |
| Keegan Smith | d. | Tristan Boyer | 7-6(4) 6-3 |
| Arjun Kadhe | d. | Evan King | 6-4 6-7(4) 6-2 |
| Ben Shelton | d. | Hunter Heck | 6-3 6-3 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Sho Shimabukuro | d. | Keenan Mayo | 6-1 6-2 |
| Gijs Brouwer | d. | Dennis Novikov | RET |
| Tristan Boyer | d. | Felix Corwin | 7-6(1) 7-6(3) |
| Keegan Smith | d. | Michael Redlicki | 6-3 6-7(5) 6-3 |
| Evan King | d. | Ruan Roelofse | 6-1 7-6(13) |
| Arjun Kadhe | d. | Sasi Kumar Mukund | 6-4 3-6 6-3 |
| Ben Shelton | d. | Govind Nanda | 6-4 6-4 |
| Hunter Heck | d. | Aidan Mchugh | 6-4 6-4 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0