Knoxville CH 2021 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Christopher Eubanks | d. | Daniel Altmaier | 6-3 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Daniel Altmaier | d. | Michael Mmoh | 3-6 6-3 6-4 |
| Christopher Eubanks | d. | Bjorn Fratangelo | 7-5 7-5 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Daniel Altmaier | d. | Jack Sock | 3-6 7-5 7-6(2) |
| Michael Mmoh | d. | Aidan Mchugh | 3-6 6-3 6-1 |
| Christopher Eubanks | d. | Christian Harrison | 6-3 7-6(9) |
| Bjorn Fratangelo | d. | Emilio Nava | 6-4 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Daniel Altmaier | d. | Blaz Rola | 7-6(3) 6-4 |
| Jack Sock | d. | Prajnesh Gunneswaran | 6-3 7-6(1) |
| Michael Mmoh | d. | Mitchell Krueger | 7-6(4) 1-6 6-2 |
| Aidan Mchugh | d. | Stefan Kozlov | 6-4 6-4 |
| Christian Harrison | d. | Jason Jung | 3-6 7-6(3) 4-2 RET |
| Christopher Eubanks | d. | Go Soeda | 6-3 2-6 7-6(4) |
| Bjorn Fratangelo | d. | Gijs Brouwer | 6-3 3-6 6-3 |
| Emilio Nava | d. | Peter Polansky | 2-6 7-6(2) 0-0 RET |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Daniel Altmaier | d. | Adam Walton | 6-3 6-2 |
| Blaz Rola | d. | Thai Son Kwiatkowski | 6-3 7-6(5) |
| Prajnesh Gunneswaran | d. | Mikael Torpegaard | 6-2 7-6(2) |
| Jack Sock | d. | Aleksandar Kovacevic | 7-6(4) 7-5 |
| Mitchell Krueger | d. | Tatsuma Ito | 7-6(4) 6-3 |
| Michael Mmoh | d. | Yasutaka Uchiyama | 7-5 6-3 |
| Stefan Kozlov | d. | Aleksandar Vukic | 6-3 4-6 7-5 |
| Aidan Mchugh | d. | Dmitry Popko | 6-4 7-5 |
| Christian Harrison | d. | J J Wolf | 6-2 6-3 |
| Jason Jung | d. | Jason Kubler | 6-4 6-1 |
| Go Soeda | d. | Malek Jaziri | 6-4 7-6(6) |
| Christopher Eubanks | d. | Vasek Pospisil | 2-6 6-2 6-3 |
| Bjorn Fratangelo | d. | Yosuke Watanuki | 6-4 7-6(5) |
| Gijs Brouwer | d. | Jc Aragone | 5-7 6-2 7-5 |
| Emilio Nava | d. | Donald Young | 6-3 6-2 |
| Peter Polansky | d. | Tennys Sandgren | 3-6 7-6(3) 7-6(4) |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Aidan Mchugh | d. | Rinky Hijikata | 7-5 6-7(2) 6-3 |
| Jc Aragone | d. | Sasi Kumar Mukund | 6-3 6-3 |
| Donald Young | d. | Johannus Monday | 6-0 6-2 |
| Gijs Brouwer | d. | Alexis Galarneau | 6-3 6-2 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Rinky Hijikata | d. | Blaise Bicknell | 6-1 6-3 |
| Aidan Mchugh | d. | Arjun Kadhe | 6-3 7-6(0) |
| Sasi Kumar Mukund | d. | Robert Galloway | 6-2 6-4 |
| Jc Aragone | d. | Dennis Novikov | 6-2 6-2 |
| Donald Young | d. | Alexander Brown | 6-3 3-6 6-3 |
| Johannus Monday | d. | Nick Chappell | 4-6 7-5 6-3 |
| Gijs Brouwer | d. | Govind Nanda | 6-3 7-6(6) |
| Alexis Galarneau | d. | Martin Damm | 6-3 6-4 |