# 1988 Transamerica Open – Singles

Peter Lundgren was the defending champion, but lost in the first round to David Pate.
Michael Chang won the title by defeating Johan Kriek 6–2, 6–3 in the final.

## Seeds

* Aaron Krickstein (first round)
* Kevin Curren (quarterfinals)
* John McEnroe (semifinals)
* Mikael Pernfors (quarterfinals)
* David Pate (second round)
* Dan Goldie (second round)
* Derrick Rostagno (first round)
* Mark Woodforde (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final |
| Q | Danie Visser | 5 | 4 | | | | |
| | Michael Chang | 7 | 5 | | | | |
| | Michael Chang | 7 | 5 | | Michael Chang | 6 | 6 |
| | | | | | Johan Kriek | 2 | 3 |
| 3 | John McEnroe | 4 | 6 | 4 | Johan Kriek | 2 | 3 |
| | Johan Kriek | 6 | 3 | 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 |
| 1 | A Krickstein | 3 | 4 | | | | | | | | | | | | | | |
| Q | R Matuszewski | 6 | 6 | | Q | R Matuszewski | 1 | 6 | | | | | | | | | |
| Q | D Visser | 6 | 7 | 6 | Q | D Visser | 6 | 7 | | | | | | | | | |
| WC | B Garrow | 7 | 6 | 0 | | | | | | Q | D Visser | 6 | 6 | | | | |
| Q | D Cassidy | 4 | 3 | | | | | | | | P Annacone | 4 | 4 | | | | |
| | C Saceanu | 6 | 6 | | | C Saceanu | 3 | 4 | | | | | | | | | |
| | P Annacone | 6 | 6 | | | P Annacone | 6 | 6 | | | | | | | | | |
| 7 | D Rostagno | 4 | 2 | | | | | | | | | | | Q | D Visser | 5 | 4 |
| 4 | M Pernfors | 6 | 6 | | | | | | | | | | | | M Chang | 7 | 6 |
| | T Nelson | 3 | 2 | | 4 | M Pernfors | 1 | 7 | 6 | | | | | | | | |
| | C van Rensburg | 4 | 6 | 5 | WC | J Tarango | 6 | 5 | 1 | | | | | | | | |
| WC | J Tarango | 6 | 4 | 7 | | | | | | 4 | M Pernfors | 4 | 0 | | | | |
| | P Kühnen | 4 | 2 | | | | | | | | M Chang | 6 | 6 | | | | |
| | M Chang | 6 | 6 | | | M Chang | 6 | 6 | | | | | | | | | |
| | B Dyke | 6 | 6 | | 6 | D Goldie | 1 | 4 | | | | | | | | | |
| 6 | D Goldie | 7 | 7 | | | | | | | | | | | | | | |

### 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 |
| 5 | D Pate | 7 | 6 | | | | | | | | | | | | | | | | |
| | P Lundgren | 5 | 4 | | 5 | D Pate | 6 | 6 | 3 | | | | | | | | | | |
| | T Wilkison | 6 | 6 | | | T Wilkison | 2 | 7 | 6 | | | | | | | | | | |
| Q | C Honey | 1 | 1 | | | | | | | | T Wilkison | 6 | 2 | 2 | | | | | |
| WC | P McEnroe | 1 | 2 | | | | | | | 3 | J McEnroe | 2 | 6 | 6 | | | | | |
| | J Pugh | 6 | 6 | | | J Pugh | 5 | 4 | | | | | | | | | | | |
| | R Reneberg | 3 | 2 | | 3 | J McEnroe | 7 | 6 | | | | | | | | | | | |
| 3 | J McEnroe | 6 | 6 | | | | | | | | | | | | 3 | J McEnroe | 4 | 6 | 4 |
| 8 | M Woodforde | 2 | 6 | 6 | | | | | | | | | | | | J Kriek | 6 | 3 | 6 |
| | J Kriek | 6 | 4 | 7 | | J Kriek | 6 | 6 | | | | | | | | | | | |
| | J Grabb | 3 | 7 | 7 | | J Grabb | 1 | 2 | | | | | | | | | | | |
| | M Davis | 6 | 6 | 6 | | | | | | | J Kriek | 1 | 6 | 6 | | | | | |
| | J Rive | 6 | 6 | 6 | | | | | | 2 | K Curren | 6 | 4 | 2 | | | | | |
| | M Robertson | 0 | 7 | 3 | | J Rive | 4 | 2 | | | | | | | | | | | |
| | J Yzaga | 6 | 2 | 0 | 2 | K Curren | 6 | 6 | | | | | | | | | | | |
| 2 | K Curren | 1 | 6 | 6 | | | | | | | | | | | | | | | |