Singles | |
---|---|
1989 Cincinnati Open | |
Champion | Brad Gilbert |
Runner-up | Stefan Edberg |
Final score | 6–4, 2–6, 7–6 |
Mats Wilander was the defending champion but lost in the semifinals to Stefan Edberg.
Brad Gilbert won in the final 6–4, 2–6, 7–6 against Edberg.