Chicago CH 2023 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Alex Michelsen | d. | Yuta Shimizu | 7-5 6-2 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Alex Michelsen | d. | Juncheng Shang | 4-6 7-5 6-3 |
| Yuta Shimizu | d. | Giovanni Mpetshi Perricard | 7-6(5) 7-6(5) |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Alex Michelsen | d. | Kei Nishikori | 7-6(13) 3-6 6-1 |
| Juncheng Shang | d. | Ethan Quinn | 7-5 6-1 |
| Giovanni Mpetshi Perricard | d. | Mark Lajal | 7-6(3) 4-6 7-6(6) |
| Yuta Shimizu | d. | Jason Jung | 6-2 7-5 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Alex Michelsen | d. | Aleksandar Kovacevic | 6-4 6-2 |
| Kei Nishikori | d. | Skander Mansouri | 7-6(1) 6-4 |
| Juncheng Shang | d. | Illya Marchenko | 7-5 6-3 |
| Ethan Quinn | d. | Tristan Schoolkate | 4-6 6-3 6-2 |
| Giovanni Mpetshi Perricard | d. | Adam Walton | 7-6(3) 6-4 |
| Mark Lajal | d. | Yasutaka Uchiyama | 4-6 6-2 6-2 |
| Jason Jung | d. | Nishesh Basavareddy | 3-6 7-6(5) 6-2 |
| Yuta Shimizu | d. | Yunseong Chung | 6-3 5-7 6-3 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Aleksandar Kovacevic | d. | Beibit Zhukayev | 6-3 6-4 |
| Alex Michelsen | d. | Li Tu | 7-6(3) 6-7(5) 7-6(5) |
| Skander Mansouri | d. | James Mccabe | 3-6 6-4 6-4 |
| Kei Nishikori | d. | Alexis Galarneau | 7-6(3) 6-1 |
| Juncheng Shang | d. | Mikhail Kukushkin | 7-6(5) 3-2 RET |
| Illya Marchenko | d. | Dane Sweeny | 6-4 6-4 |
| Ethan Quinn | d. | Ernesto Escobedo | 7-6(6) 0-6 6-4 |
| Tristan Schoolkate | d. | Altug Celikbilek | 6-4 7-6(2) |
| Giovanni Mpetshi Perricard | d. | Tennys Sandgren | 6-4 6-4 |
| Adam Walton | d. | Eliot Spizzirri | 6-2 6-2 |
| Mark Lajal | d. | Omar Jasika | 6-1 6-4 |
| Yasutaka Uchiyama | d. | Emilio Gomez | 6-2 6-1 |
| Nishesh Basavareddy | d. | Steve Johnson | 6-3 2-6 6-4 |
| Jason Jung | d. | Bernard Tomic | 7-5 6-3 |
| Yunseong Chung | d. | Abedallah Shelbayh | 6-3 6-4 |
| Yuta Shimizu | d. | Evan Zhu | 6-2 6-4 |
Qualifying round 2
| Winner | Loser | Score | |
|---|---|---|---|
| Bernard Tomic | d. | Evan Zhu | 6-3 6-3 |
| Tristan Schoolkate | d. | Christian Langmo | 6-3 1-6 7-5 |
| Ernesto Escobedo | d. | Martin Damm | 7-6(6) 6-1 |
| Yunseong Chung | d. | Thai Son Kwiatkowski | 6-0 3-6 6-3 |
| Illya Marchenko | d. | Cannon Kingsley | 7-6(6) 6-1 |
| Omar Jasika | d. | Colin Sinclair | 6-4 6-4 |
Qualifying round 1
| Winner | Loser | Score | |
|---|---|---|---|
| Bernard Tomic | d. | Michael Zheng | 4-6 6-2 6-4 |
| Evan Zhu | d. | Murphy Cassone | 3-6 6-2 7-5 |
| Christian Langmo | d. | Nathan Ponwith | 6-4 7-5 |
| Tristan Schoolkate | d. | Sasi Kumar Mukund | 6-4 6-1 |
| Martin Damm | d. | Alex Bolt | 7-6(1) 6-4 |
| Ernesto Escobedo | d. | Nam Hoang Ly | 6-1 6-0 |
| Thai Son Kwiatkowski | d. | Aidan Mchugh | 7-5 3-6 7-6(5) |
| Yunseong Chung | d. | Andrew Fenty | 7-5 6-2 |
| Illya Marchenko | d. | Jaimee Floyd Angele | 7-6(4) 6-4 |
| Cannon Kingsley | d. | Hiroki Moriya | 6-2 6-3 |
| Colin Sinclair | d. | Strong Kirchheimer | 7-6(5) 6-4 |
| Omar Jasika | d. | Quinn Vandecasteele | 7-5 6-1 |