The qualifying rounds for the 1999–2000 UEFA Champions League began on 13 July 1999. In total, there were three qualifying rounds which provided 16 clubs to join the group stage.
Contents
Second leg
Žalgiris Vilnius won 5–0 on aggregate.
Sloga Jugomagnat 2–2 Kapaz on aggregate. Sloga Jugomagnat won on away goals.
Zimbru Chișinău won 10–0 on aggregate.
ÍBV won 3–1 on aggregate.
Skonto won 10–0 on aggregate.
Partizan won 10–1 on aggregate.
Haka won 7–1 on aggregate.
Valletta won 3–2 on aggregate.
Litex Lovech won 5–0 on aggregate.
Second leg
Zimbru Chișinău won 3–2 on aggregate.
Dynamo Kyiv won 3–0 on aggregate.
Anorthosis won 3–2 on aggregate.
Molde won 4–2 on aggregate.
Rapid Wien won 5–0 on aggregate.
AIK won 3–0 on aggregate.
Beşiktaş 1–1 Hapoel Haifa on aggregate. Hapoel Haifa won on away goals.
Skonto won 5–4 on aggregate.
Litex Lovech 5–5 Widzew Łódź on aggregate. Widzew Łódź won 3–2 on penalties.
Maribor won 5–4 on aggregate.
Partizan won 6–1 on aggregate.
Rangers won 7–1 on aggregate.
Brøndby won 2–0 on aggregate.
MTK Hungária won 5–1 on aggregate.
Third qualifying round
Losing teams advanced to the first round of the 1999–2000 UEFA Cup.
Fiorentina won 5–1 on aggregate.
Dynamo Kyiv won 4–3 on aggregate.
Hertha BSC won 2–0 on aggregate.
Chelsea won 3–0 on aggregate.
AIK won 1–0 on aggregate.
PSV Eindhoven won 2–0 on aggregate.
Croatia Zagreb won 2–0 on aggregate.
Spartak Moscow won 5–1 on aggregate.
Borussia Dortmund won 2–0 on aggregate.
Galatasaray won 4–0 on aggregate.
Maribor won 3–0 on aggregate.
Sturm Graz won 4–3 on aggregate.
Rangers won 2–1 on aggregate.
Molde 1–1 Mallorca on aggregate. Molde won on away goals.
Boavista won 6–3 on aggregate.
Valencia won 4–0 on aggregate.