# 1985 U.S. Pro Tennis Championships – Singles

Aaron Krickstein was the defending champion, but lost in the second round to Guillermo Vilas.
Mats Wilander won the title by defeating Martín Jaite 6–2, 6–4 in the final.

## Seeds

The top eight seeds received a bye to the second round.
* Mats Wilander (champion)
* (n/a)
* Miloslav Mečíř (third round)
* Aaron Krickstein (second round)
* Henrik Sundström (quarterfinals)
* José Luis Clerc (second round)
* Jimmy Arias (second round)
* Libor Pimek (quarterfinals)
* Víctor Pecci (first round)
* Francesco Cancellotti (second round)
* Martín Jaite (final)
* José Higueras (first round)
* Tim Wilkison (third round)
* Hans Schwaier (second round)
* Lawson Duncan (first round)
* Jakob Hlasek (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

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Mats Wilander | 6 | 6 | | | | | | | | | |
| 5 | Henrik Sundström | 3 | 4 | | | | | | | | | |
| 5 | Henrik Sundström | 3 | 4 | | 1 | Mats Wilander | 6 | 6 | | | | |
| | | | | | | Guillermo Vilas | 1 | 3 | | | | |
| | Guillermo Vilas | 6 | 6 | | | Guillermo Vilas | 1 | 3 | | | | |
| 8 | Libor Pimek | 4 | 2 | | | | | | | | | |
| 8 | Libor Pimek | 4 | 2 | | | | | | 1 | Mats Wilander | 6 | 6 |
| | | | | | | | | | 11 | Martín Jaite | 2 | 4 |
| Q | Bruno Orešar | 6 | 7 | | | | | | | | | | 11 | Martín Jaite | 2 | 4 |
| | Juan Aguilera | 3 | 5 | | | | | | | | | |
| | Juan Aguilera | 3 | 5 | | Q | Bruno Orešar | 6 | 1 | | | | |
| | | | | | 11 | Martín Jaite | 7 | 6 | | | | |
| | Paul McNamee | 6 | 2 | 0 | 11 | Martín Jaite | 7 | 6 | | | | |
| 11 | Martín Jaite | 2 | 6 | 6 | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | M Wilander | 6 | 7 | | | | | | | | | | |
| | H Gildemeister | 7 | 6 | 6 | | H Gildemeister | 2 | 6 | | | | | | | | | | |
| | K Navrátil | 6 | 7 | 3 | | | | | | 1 | M Wilander | 6 | 6 | | | | | |
| Q | S Eriksson | 6 | 6 | | | | | | | Q | S Eriksson | 1 | 2 | | | | | |
| | M Ingaramo | 4 | 4 | | Q | S Eriksson | 6 | 6 | | | | | | | | | | |
| | J Frawley | 7 | 6 | | | J Frawley | 4 | 2 | | | | | | | | | | |
| 9 | V Pecci | 5 | 3 | | | | | | | | | | | | 1 | M Wilander | 6 | 6 |
| 12 | J Higueras | 4 | 2 | | | | | | | | | | | | 5 | H Sundström | 3 | 4 |
| | J Brown | 6 | 6 | | | J Brown | 6 | 6 | | | | | | | | | | |
| | B Schultz | 6 | 6 | 5 | | R Harmon | 1 | 0 | | | | | | | | | | |
| | R Harmon | 7 | 0 | 7 | | | | | | | J Brown | 7 | 3 | 1 | | | | |
| Q | T Muster | 7 | 6 | | | | | | | 5 | H Sundström | 6 | 6 | 6 | | | | |
| | E Bengoechea | 6 | 1 | | Q | T Muster | 6 | 2 | 1 | | | | | | | | | |
| | | | | | 5 | H Sundström | 4 | 6 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | A Krickstein | 6 | 1 | | | | | | | | | | |
| | D Pérez | 3 | 2 | | | G Vilas | 7 | 6 | | | | | | | | | | |
| | G Vilas | 6 | 6 | | | | | | | | G Vilas | 6 | 6 | | | | | |
| | D Goldie | 3 | 2 | | | | | | | | P Arraya | 4 | 2 | | | | | |
| | C Lewis | 6 | 6 | | | C Lewis | 2 | 6 | | | | | | | | | | |
| | P Arraya | 7 | 6 | | | P Arraya | 6 | 7 | | | | | | | | | | |
| 15 | L Duncan | 5 | 2 | | | | | | | | | | | | | G Vilas | 6 | 6 |
| 13 | T Wilkison | 6 | 6 | 6 | | | | | | | | | | | 8 | L Pimek | 4 | 2 |
| | S Živojinović | 7 | 3 | 4 | 13 | T Wilkison | 6 | 6 | | | | | | | | | | |
| | R Agénor | 2 | 7 | 7 | | R Agénor | 2 | 3 | | | | | | | | | | |
| | C Panatta | 6 | 5 | 6 | | | | | | 13 | T Wilkison | 6 | 1 | 2 | | | | |
| | F Luna | 5 | 3 | | | | | | | 8 | L Pimek | 4 | 6 | 6 | | | | |
| | H de la Peña | 7 | 6 | | | H de la Peña | 7 | 2 | 4 | | | | | | | | | |
| | | | | | 8 | L Pimek | 6 | 6 | 6 | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | J Arias | 6 | 6 | | | | | | | | | | |
| | A Ganzábal | 1 | 6 | 2 | Q | B Orešar | 7 | 7 | | | | | | | | | | |
| Q | B Orešar | 6 | 4 | 6 | | | | | | Q | B Orešar | 6 | 6 | | | | | |
| | B Taróczy | 4 | 4 | | | | | | | | R Argüello | 3 | 2 | | | | | |
| | R Argüello | 6 | 6 | | | R Argüello | 6 | 7 | | | | | | | | | | |
| WC | P McEnroe | 5 | 6 | 4 | 14 | H Schwaier | 1 | 5 | | | | | | | | | | |
| 14 | H Schwaier | 7 | 2 | 6 | | | | | | | | | | | Q | B Orešar | 6 | 7 |
| 10 | F Cancellotti | 6 | 6 | | | | | | | | | | | | | J Aguilera | 3 | 5 |
| | J López-Maeso | 3 | 2 | | 10 | F Cancellotti | 5 | 6 | 5 | | | | | | | | | |
| WC | R Brown | 4 | 2 | | | J Aguilera | 7 | 4 | 7 | | | | | | | | | |
| | J Aguilera | 6 | 6 | | | | | | | | J Aguilera | 6 | 3 | 6 | | | | |
| WC | M Pernfors | 6 | 3 | 6 | | | | | | 3 | M Mečíř | 4 | 6 | 4 | | | | |
| Q | J Berger | 3 | 6 | 2 | WC | M Pernfors | 3 | 4 | | | | | | | | | | |
| | | | | | 3 | M Mečíř | 6 | 6 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | JL Clerc | 3 | 4 | | | | | | | | | | | |
| Q | J Avendaño | 0 | 2 | | | T Tulasne | 6 | 6 | | | | | | | | | | | |
| | T Tulasne | 6 | 6 | | | | | | | | T Tulasne | 3 | 6 | 4 | | | | | |
| | G Rivas | 4 | 1 | | | | | | | | P NcNamee | 6 | 2 | 6 | | | | | |
| | P NcNamee | 6 | 6 | | | P NcNamee | 6 | 2 | 6 | | | | | | | | | | |
| | M Westphal | 6 | 4 | | 16 | J Hlasek | 3 | 6 | 2 | | | | | | | | | | |
| 16 | J Hlasek | 7 | 6 | | | | | | | | | | | | | P NcNamee | 6 | 2 | 0 |
| 11 | M Jaite | 7 | 6 | | | | | | | | | | | | 11 | M Jaite | 2 | 6 | 6 |
| Q | J Levine | 6 | 0 | | 11 | M Jaite | 6 | 6 | | | | | | | | | | | |
| Q | M Buckley | 6 | 6 | 5 | WC | E Korita | 4 | 3 | | | | | | | | | | | |
| WC | E Korita | 7 | 3 | 7 | | | | | | 11 | M Jaite | 6 | 7 | | | | | | |
| | P Složil | 4 | 3 | | | | | | | WC | H Solomon | 2 | 5 | | | | | | |
| WC | H Solomon | 6 | 6 | | WC | H Solomon | 6 | 6 | | | | | | | | | | | |
| | | | | | LL | S Birner | 1 | 0 | | | | | | | | | | | |