Aptos CH 1989 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Mark Kaplan | d. | Robbie Weiss | 6-4 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Mark Kaplan | d. | Steve Devries | 6-3 6-2 |
| Robbie Weiss | d. | Jared Palmer | 5-7 7-5 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Jared Palmer | d. | Craig Campbell | 6-4 6-1 |
| Mark Kaplan | d. | Jeff Klaparda | 6-1 6-0 |
| Steve Devries | d. | Chuck Adams | 6-3 7-5 |
| Robbie Weiss | d. | Matt Anger | 6-4 3-6 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Jeff Klaparda | d. | Kenny Thorne | 6-3 4-6 7-5 |
| Craig Campbell | d. | Long Phan | 3-6 7-6 7-6 |
| Chuck Adams | d. | Brian Garrow | 7-6 6-4 |
| Robbie Weiss | d. | Phillip Williamson | 6-2 2-6 6-0 |
| Jared Palmer | d. | Todd Nelson | 5-7 6-2 6-4 |
| Mark Kaplan | d. | Mark Petchey | 6-1 6-4 |
| Steve Devries | d. | Nevio Devide | 6-7 7-5 6-1 |
| Matt Anger | d. | Jonathan Stark | 6-2 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Phillip Williamson | d. | Ron Ward | 6-4 6-2 |
| Kenny Thorne | d. | Paul Koscielski | 7-5 6-2 |
| Jonathan Stark | d. | Alberto Paris | 1-1 RET |
| Long Phan | d. | Mark Knowles | 6-2 6-1 |
| Jared Palmer | d. | Tommy Ho | 5-7 6-2 6-0 |
| Mark Kaplan | d. | Bruce Man Son Hing | 6-4 6-1 |
| Steve Devries | d. | Tom Mercer | 6-4 6-2 |
| Chuck Adams | d. | Charles Merzbacher | 6-3 6-4 |
| Brian Garrow | d. | Luke Jensen | 6-2 6-2 |
| Robbie Weiss | d. | Rick Kepler | 6-0 6-0 |
| Jeff Klaparda | d. | Malcolm Allen | 6-3 6-3 |
| Craig Campbell | d. | Paul Wekesa | 7-5 6-1 |
| Todd Nelson | d. | Ville Jansson | 7-6 6-3 |
| Mark Petchey | d. | Brett Custer | 6-4 3-6 7-6 |
| Nevio Devide | d. | Bryan Shelton | 7-6 6-3 |
| Matt Anger | d. | Arkie Engle | 6-1 7-6 |