| 1988 U.S. Men's Clay Court Championships | |
|---|---|
| Date | April 25 – May 1 |
| Edition | 20th |
| Category | Grand Prix |
| Draw | 32S / 16D |
| Prize money | $190,000 |
| Surface | Clay / outdoor |
| Location | Charleston, South Carolina, U.S. |
| Champions | |
| Singles | |
 Andre Agassi[1] | |
| Doubles | |
 Pieter Aldrich / Danie Visser[2] | |
The 1988 U.S. Men's Clay Court Championships was a Grand Prix men's tennis tournament held in Charleston, South Carolina in the United States. It was the 20th edition of the tournament and was held on outdoor clay courts from April 25 through May 1, 1988. First-seeded Andre Agassi won the singles title.
- ^ "1988 Charleston – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1988 Charleston – Doubles draw". Association of Tennis Professionals (ATP).