1989 U.S. Men's Clay Court Championships
| 1989 U.S. Men's Clay Court Championships | |
|---|---|
| Date | May 8 – May 15 |
| Edition | 21st |
| Category | Grand Prix |
| Surface | Clay / Outdoor |
| Location | Charleston, South Carolina |
| Champions | |
| Singles | |
 Jay Berger
|
|
| Doubles | |
 Mikael Pernfors / Tobias Svantesson
|
|
The 1989 U.S. Men's Clay Court Championships was a Grand Prix tennis tournament held in Charleston, South Carolina in the United States. The tournament was held from May 8 to May 15.
Jay Berger defeated Lawson Duncan 6–4, 6–3
Mikael Pernfors / Tobias Svantesson defeated 
Agustín Moreno / 
Jaime Yzaga 6–4, 4–6, 7–5
...
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