2006 St. Petersburg Open – Singles
| Singles | |
|---|---|
| 2006 St. Petersburg Open | |
| Champion | Mario Ančić |
| Runner-up | Thomas Johansson |
| Score | 7–5, 7–6(7–2) |
Thomas Johansson was the defending champion.
Mario Ančić won the title, beating Johansson 7–5, 7–6(7–2) in the final.