# 1988 U.S. Men's Clay Court Championships – Singles
## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* Andre Agassi (champion)
* Aaron Krickstein (quarterfinals)
* David Pate (first round)
* Jay Berger (quarterfinals, retired)
* Johan Kriek (second round)
* Luiz Mattar (first round)
* Jimmy Arias (final)
* Kelly Evernden (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking
| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | A Agassi | 6 | 6 | | | | | | | | | | | | | | | | | | | |
| | J Brown | 1 | 4 | | 1 | A Agassi | 6 | 6 | | | | | | | | | | | | | | |
| | C di Laura | 6 | 6 | | | C di Laura | 2 | 2 | | | | | | | | | | | | | | |
| Q | M Flur | 4 | 1 | | | | | | | 1 | A Agassi | 6 | 6 | | | | | | | | | |
| | R Reneberg | 6 | 6 | | | | | | | | R Reneberg | 1 | 3 | | | | | | | | | |
| | S Youl | 3 | 4 | | | R Reneberg | 6 | 6 | | | | | | | | | | | | | | |
| | M Davis | 6 | 6 | 7 | | M Davis | 1 | 4 | | | | | | | | | | | | | | |
| 8 | K Evernden | 7 | 3 | 6 | | | | | | | | | | 1 | A Agassi | 2 | 7 | 6 | | | | |
| 4 | J Berger | 6 | 6 | | | | | | | | | | | | L Duncan | 6 | 5 | 4 | | | | |
| | G Muller | 1 | 1 | | 4 | J Berger | 6 | 7 | 6 | | | | | | | | | | | | | |
| | S Giammalva Jr. | 6 | 6 | 6 | | S Giammalva Jr. | 7 | 5 | 0 | | | | | | | | | | | | | |
| WC | M Purcell | 4 | 7 | 2 | | | | | | 4 | J Berger | 0 | 0$^r$ | | | | | | | | | |
| | T Witsken | 0 | 5 | | | | | | | | L Duncan | 6 | 3 | | | | | | | | | |
| | L Duncan | 6 | 7 | | | L Duncan | 7 | 7 | | | | | | | | | | | | | | |
| | J Ross | 2 | 6 | 4 | 5 | J Kriek | 6 | 6 | | | | | | | | | | | | | | |
| 5 | J Kriek | 6 | 2 | 6 | | | | | | | | | | | | | | | 1 | Andre Agassi | 6 | 6 |
| 6 | L Mattar | 2 | 2 | | | | | | | | | | | | | | | | 7 | Jimmy Arias | 2 | 2 |
| | M Šrejber | 6 | 6 | | | M Šrejber | 1 | 2 | | | | | | | | | | | | | | |
| Q | M Chang | 6 | 5 | | | H de la Peña | 6 | 6 | | | | | | | | | | | | | | |
| | H de la Peña | 7 | 7 | | | | | | | | H de la Peña | 3 | 6 | | | | | | | | | |
| | J Lozano | 6 | 3 | 1 | | | | | | WC | J Courier | 6 | 7 | | | | | | | | | |
| WC | J Courier | 3 | 6 | 6 | WC | J Courier | 6 | 6 | | | | | | | | | | | | | | |
| Q | D Pérez | 6 | 6 | | Q | D Pérez | 1 | 2 | | | | | | | | | | | | | | |
| 3 | D Pate | 3 | 1 | | | | | | | | | | | WC | J Courier | 2 | 6 | 2 | | | | |
| 7 | J Arias | 6 | 6 | | | | | | | | | | | 7 | J Arias | 6 | 3 | 6 | | | | |
| | D Cassidy | 2 | 2 | | 7 | J Arias | 7 | 6 | | | | | | | | | | | | | | |
| | J Yzaga | 7 | 6 | | | J Yzaga | 6 | 2 | | | | | | | | | | | | | | |
| | T Wilkison | 5 | 4 | | | | | | | 7 | J Arias | 6 | 6 | | | | | | | | | |
| Q | J Palmer | 6 | 2 | 4 | | | | | | 2 | A Krickstein | 0 | 2 | | | | | | | | | |
| | C Miniussi | 4 | 6 | 6 | | C Miniussi | 1 | 0 | | | | | | | | | | | | | | |
| WC | B Willenborg | 3 | 3 | | 2 | A Krickstein | 6 | 6 | | | | | | | | | | | | | | |
| 2 | A Krickstein | 6 | 6 | | | | | | | | | | | | | | | | | | | |