| Champ: |  Fabrice Santoro |
| Runner: | Rainer Schüttler |
| Score: | 3–6, 7–5, 3–0, retired |
| Draw: | 32 |
| Seeds: | 8 |
| Type: | singles doubles |
| Before Name: | Qatar Open |
| After Name: | Qatar Open |
| Main Name: | ATP Qatar Open |
See main article: 2000 Qatar Open.
Fabrice Santoro defeated Rainer Schüttler 3–6, 7–5, 3–0 after Schüttler retired to win the 2000 Qatar Open singles competition. Schüttler was the defending champion.
Nicolas Kiefer (semifinals)
Félix Mantilla (first round) Fabrice Santoro (champion)
Younes El Aynaoui (semifinals) Hicham Arazi (first round)
Jiří Novák (first round) Daniel Vacek (second round)