| Champ: |  Rainer Schüttler |
| Runner: |  Tim Henman |
| Score: | 6–4, 5–7, 6–1 |
| Draw: | 32 |
| Seeds: | 8 |
| Type: | singles doubles |
| Main Name: | ATP Qatar Open |
| Before Name: | Qatar Open |
| After Name: | Qatar Open |
See main article: 1999 Qatar Open.
Rainer Schüttler defeated Tim Henman 6–4, 5–7, 6–1 to win the 1999 Qatar Open singles competition. Petr Korda was the defending champion.
Tim Henman (final) Greg Rusedski (first round)
Yevgeny Kafelnikov (second round)
Petr Korda (first round)
Thomas Johansson (first round)
Cédric Pioline (semifinals)