# 1994 U.S. Men's Clay Court Championships – Singles

Horacio de la Peña was the defending champion, but did not participate this year.
Jason Stoltenberg won the title, defeating Gabriel Markus 3–6, 6–3, 6–4 in the final.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
* MaliVai Washington (first round)
* Mikael Pernfors (first round)
* Richey Reneberg (second round)
* Jason Stoltenberg (champion)
* Luiz Mattar (first round)
* Jacco Eltingh (quarterfinals)
* Grant Stafford (second round)
* Bryan Shelton (second 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 | Final | Final | Final | Final |
| 1 | M Washington | 5 | 4 | | | | | | | | | | | | | | | | | | |
| WC | D Witt | 7 | 6 | | WC | D Witt | 6 | 4 | 6 | | | | | | | | | | | | |
| | B Larkham | 4 | 3 | | WC | M Wilander | 3 | 6 | 4 | | | | | | | | | | | | |
| WC | M Wilander | 6 | 6 | | | | | | | WC | D Witt | 3 | 5 | | | | | | | | |
| | M Filippini | 6 | 6 | | | | | | | | M Filippini | 6 | 7 | | | | | | | | |
| | M Hadad | 0 | 4 | | Q | M Filippini | 6 | 6$^2$ | 7 | | | | | | | | | | | | |
| | R Weiss | 3 | 4 | | 8 | B Shelton | 4 | 7$^7$ | 5 | | | | | | | | | | | | |
| 8 | B Shelton | 6 | 6 | | | | | | | | | | | | M Filippini | 5 | 6$^2$ | | | | |
| 4 | J Stoltenberg | 6 | 6 | | | | | | | | | | | 4 | J Stoltenberg | 7 | 7$^7$ | | | | |
| | A O'Brien | 2 | 4 | | 4 | J Stoltenberg | 4 | 6 | 7 | | | | | | | | | | | | |
| | A Mancini | 6 | 6 | | | A Mancini | 6 | 4 | 5 | | | | | | | | | | | | |
| Q | M Stringari | 3 | 3 | | | | | | | 4 | J Stoltenberg | 6 | 6 | | | | | | | | |
| Q | J Oncins | 3 | 6 | 3 | | | | | | 6 | J Eltingh | 4 | 2 | | | | | | | | |
| | S Bryan | 6 | 1 | 6 | | S Bryan | 3 | 3 | | | | | | | | | | | | | |
| | H Dreekmann | 6$^8$ | 7$^7$ | 3 | 6 | J Eltingh | 6 | 6 | | | | | | | | | | | | | |
| 6 | J Eltingh | 7$^{10}$ | 6$^5$ | 6 | | | | | | | | | | | | | | 4 | Jason Stoltenberg | 6 | 6 |
| 5 | L Mattar | 3 | 5 | | | | | | | | | | | | | | | | Gabriel Markus | 3 | 4 |
| | D Orsanic | 6 | 7 | | | D Orsanic | 6 | 6 | | | | | | | | | | | | | |
| | D Flach | 6 | 6$^{10}$ | 6$^5$ | | C van Rensburg | 4 | 2 | | | | | | | | | | | | | |
| | C van Rensburg | 1 | 7$^{12}$ | 7$^7$ | | | | | | | D Orsanic | 3 | 0 | | | | | | | | |
| | G Markus | 7$^7$ | 6 | | | | | | | | G Markus | 6 | 6 | | | | | | | | |
| Q | J Arias | 6$^4$ | 2 | | | G Markus | 4 | 6 | 7 | | | | | | | | | | | | |
| WC | C Woodruff | 1 | 2 | | 3 | R Reneberg | 6 | 1 | 5 | | | | | | | | | | | | |
| 3 | R Reneberg | 6 | 6 | | | | | | | | | | | | G Markus | 6 | 6 | | | | |
| 7 | G Stafford | 2 | 6 | 6 | | | | | | | | | | | J Palmer | 4 | 4 | | | | |
| | S Cortés | 6 | 3 | 3 | 7 | G Stafford | 3 | 6 | 2 | | | | | | | | | | | | |
| | J F Altur | 6 | 6 | | | J F Altur | 6 | 1 | 6 | | | | | | | | | | | | |
| | N Pereira | 4 | 4 | | | | | | | | J F Altur | 3 | 1 | | | | | | | | |
| | J Palmer | 6 | 6 | | | | | | | | J Palmer | 6 | 6 | | | | | | | | |
| | T Woodbridge | 4 | 4 | | | J Palmer | 6 | 6 | | | | | | | | | | | | | |
| Q | R Jabali | 3 | 6 | 6 | Q | R Jabali | 2 | 0 | | | | | | | | | | | | | |
| 2 | M Pernfors | 6 | 0 | 3 | | | | | | | | | | | | | | | | | |