# 1989 Eagle Classic – Singles

Mikael Pernfors was the defending champion but lost in the first round to Kevin Curren.
Ivan Lendl won in the final 6–2, 6–3, against Stefan Edberg.

## Seeds

* Ivan Lendl (champion)
* Stefan Edberg (final)
* Jimmy Connors (first round)
* Thomas Muster (second round)
* Emilio Sánchez (semifinals)
* Brad Gilbert (quarterfinals)
* Mikael Pernfors (first round)
* Andrei Chesnokov (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

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Ivan Lendl | 6 | 3 | 6 | | | | |
| 5 | Emilio Sánchez | 2 | 6 | 3 | | | | |
| 5 | Emilio Sánchez | 2 | 6 | 3 | 1 | Ivan Lendl | 6 | 6 |
| | | | | | 2 | Stefan Edberg | 2 | 3 |
| | Amos Mansdorf | 7 | 4 | 1 | 2 | Stefan Edberg | 2 | 3 |
| 2 | Stefan Edberg | 6 | 6 | 6 | | | | |

### Top half

| 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 |
| 1 | I Lendl | 6 | 6 | | | | | | | | | | | | | | | |
| | P Annacone | 2 | 4 | | 1 | I Lendl | 6 | 6 | | | | | | | | | | |
| | W Masur | 3 | 4 | | | C van Rensburg | 0 | 2 | | | | | | | | | | |
| | C van Rensburg | 6 | 6 | | | | | | | 1 | I Lendl | 6 | 6 | | | | | |
| | D Pate | 6 | 3 | | | | | | | WC | G Ivanišević | 4 | 4 | | | | | |
| WC | G Ivanišević | 7 | 6 | | WC | G Ivanišević | 4 | 6 | 6 | | | | | | | | | |
| | H de la Peña | 4 | 4 | | 8 | A Chesnokov | 6 | 3 | 3 | | | | | | | | | |
| 8 | A Chesnokov | 6 | 6 | | | | | | | | | | | 1 | I Lendl | 6 | 3 | 6 |
| WC/3 | J Connors | 4 | 6 | 4 | | | | | | | | | | 5 | E Sánchez | 2 | 6 | 3 |
| | J Kriek | 6 | 4 | 6 | | J Kriek | 1 | 1 | | | | | | | | | | |
| | J Courier | 6 | 4 | 6 | | J Courier | 6 | 6 | | | | | | | | | | |
| Q | J Pugh | 4 | 6 | 3 | | | | | | | J Courier | 3 | 3 | | | | | |
| | M Woodforde | 6 | 1 | | | | | | | 5 | E Sánchez | 6 | 6 | | | | | |
| SE | P Chamberlin | 1 | 0$^r$ | | | M Woodforde | 3 | 3 | | | | | | | | | | |
| | R Krishnan | 3 | 1 | | 5 | E Sánchez | 6 | 6 | | | | | | | | | | |
| 5 | E Sánchez | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | B Gilbert | 4 | 6 | 6 | | | | | | | | | | | | | | | |
| | R Seguso | 6 | 4 | 4 | 6 | B Gilbert | 2 | 6 | 6 | | | | | | | | | | |
| | D Rostagno | 5 | 2 | | Q | S Davis | 6 | 3 | 4 | | | | | | | | | | |
| Q | S Davis | 7 | 6 | | | | | | | 6 | B Gilbert | 7 | 3 | 0 | | | | | |
| | A Mansdorf | 7 | 6 | | | | | | | | A Mansdorf | 5 | 6 | 6 | | | | | |
| Q | M Vajda | 6 | 2 | | | A Mansdorf | 7 | 6 | | | | | | | | | | | |
| | L Mattar | 3 | 2 | | 4 | T Muster | 5 | 2 | | | | | | | | | | | |
| 4 | T Muster | 6 | 6 | | | | | | | | | | | | | A Mansdorf | 7 | 4 | 1 |
| 7 | M Pernfors | 6 | 3 | 3 | | | | | | | | | | | 2 | S Edberg | 6 | 6 | 6 |
| | K Curren | 3 | 6 | 6 | | K Curren | 7 | 6 | | | | | | | | | | | |
| WC | J Grabb | 0 | 4 | | | J Berger | 6 | 3 | | | | | | | | | | | |
| | J Berger | 6 | 6 | | | | | | | | K Curren | 3 | 6 | 6 | | | | | |
| Q | R Leach | 5 | 4 | | | | | | | 2 | S Edberg | 6 | 3 | 7 | | | | | |
| | H Skoff | 7 | 6 | | | H Skoff | 5 | 3 | | | | | | | | | | | |
| | M Chang | 2 | 4 | | 2 | S Edberg | 7 | 6 | | | | | | | | | | | |
| 2 | S Edberg | 6 | 6 | | | | | | | | | | | | | | | | |