Pobeda won 2–1 on aggregate.
Basel won 12–1 on aggregate.
HIT Gorica won 3–2 on aggregate.
Rapid Wien won 6–0 on aggregate.
Club Brugge won 6–1 on aggregate.
Heart of Midlothian won 5–0 on aggregate.
AB won 9–0 on aggregate.
Örgryte IS won 3–1 on aggregate.
Košice won 4–2 on aggregate.
Napredak Kruševac won 6–2 on aggregate.
MTK Hungária won 5–2 on aggregate.
Vorskla Poltava won 4–0 on aggregate.
Gent won 6–2 on aggregate.
Halmstads BK won 11–0 on aggregate.
Vasas won 4–3 on aggregate.
Celtic won 11–0 on aggregate.
Drnovice won 4–0 on aggregate.
APOEL won 5–2 on aggregate.
Rapid București won 3–1 on aggregate.
Beitar Jerusalem won 4–1 on aggregate.
Neftochimic Burgas won 2–1 on aggregate.
Wisła Kraków won 3–1 on aggregate.
Olimpija Ljubljana won 3–0 on aggregate.
Antalyaspor won 7–0 on aggregate.
Ruch Chorzów won 7–2 on aggregate.
2–2 on aggregate; Bohemians won on away goals.
IFK Norrköping won 4–1 on aggregate.
Brann won 2–1 on aggregate.
1–1 on aggregate; Maccabi Haifa won on away goals.
Slovan Bratislava won 4–0 on aggregate.
Partizan won 5–3 on aggregate.
CSKA Sofia won 11–2 on aggregate.
AIK won 3–0 on aggregate.
HJK won 3–2 on aggregate.
Lillestrøm won 4–0 on aggregate.
Lierse won 7–0 on aggregate.
Boavista won 5–0 on aggregate.
Rayo Vallecano won 16–0 on aggregate.
Lausanne-Sports won 2–0 on aggregate.
Rijeka won 8–6 on aggregate.
Amica Wronki won 6–3 on aggregate.