1998 US Open – Boys' singles
| Boys' singles | |
|---|---|
| 1998 US Open | |
| Champion | David Nalbandian |
| Runner-up | Roger Federer |
| Score | 6–3, 7–5 |
Arnaud Di Pasquale was the defending champion, but did not compete this year.
David Nalbandian won the title by defeating Roger Federer 6–3, 7–5 in the final.