1989–90 UEFA Cup
| Dates | 9 August 1989 – 16 May 1990 |
|---|---|
| Final positions | |
| Champions |
 Juventus (2nd title) |
| Runners-up |
Fiorentina |
| Tournament statistics | |
| Top scorer(s) |
 Falko Götz (6 goals) Karl-Heinz Riedle |
The 1989–90 UEFA Cup was won by Juventus on aggregate over Fiorentina. This was the first final between two Italian sides in the UEFA competitions history and the third between two clubs of the same country.
It was the last season for which English clubs were banned from European competitions, as sequel to the Heysel disaster in May 1985. The English clubs who missed out of this season of the competition were Nottingham Forest, Norwich City, Derby County and Tottenham Hotspur.
Preliminary round
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
Auxerre  |
3–2 |  Dinamo Zagreb |
0–1 | 3–1 |
First round
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First leg
Second leg
Sion won 2–1 on aggregate.
27 September 1989 |
| Fiorentina |
1–0 |  Atlético Madrid |
|---|---|---|
Buso  25' |
||
| Penalties | ||
Battistini  Pioli Sereni  Volpecina Baggio |
3–1 | Futre Marina Bustingorri Manolo |
This season Fiorentina played in Perugia as Fiorentina's stadium was undergoing renovations for the 1990 FIFA World Cup. Fiorentina 1–1 Atlético Madrid on aggregate. Fiorentina won 3–1 on penalties.
Spartak Moscow won 2–0 on aggregate.
27 September 1989 |
| Juventus |
4–2 |  Górnik Zabrze |
|---|---|---|
| Schillaci 2' 25' Fortunato 4'Marocchi 6' |
Koseła 43' Lissek 82' |
Juventus won 5–2 on aggregate.
27 September 1989 |
| Napoli |
0–0 |  Sporting CP |
|---|---|---|
| Penalties | ||
| Crippa Careca Mauro Baroni Maradona Ferrara |
4–3 | Luizinho Douglas Marlon Paulinho Cascavel Carlos Manuel Fernando Gomes |
Napoli 0–0 Sporting CP on aggregate. Napoli won 4–3 on penalties.
Valencia won 4–2 on aggregate.
Porto won 4–1 on aggregate.
Second round
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
First Vienna FC  |
3–3(a) |  Olympiacos |
2–2 | 1–1 |
R. Antwerp F.C. .svg.png){kind=small} |
6–3 |  Dundee United F.C. |
4–0 | 2–3 |
| Club Brugge |
4–6 | SK Rapid Wien |
1–2 | 3–4 |
| Hibernian F.C. |
0–1 | R.F.C. de Liege |
0–0 | 0–1(aet) |
| Real Zaragoza |
1–2 | Hamburger SV |
1–0 | 0–2(aet) |
RoPS  |
0–8 | Auxerre |
0–5 | 0–3 |
| Paris Saint-Germain |
1–3 | Juventus |
0–1 | 1–2 |
| Fiorentina |
(a)1–1 | Sochaux |
0–0 | 1–1 |
| F.C. Porto |
5–4 | Valencia CF |
3–1 | 2–3 |
| Werder Bremen |
5–2 | FK Austria Wien |
5–0 | 0–2 |
| Köln |
3–1 |  Spartak Moscow |
3–1 | 0–0 |
FC Sion  |
3–5 |  FC Karl-Marx-Stadt |
2–1 | 1–4 |
| FC Wettingen |
1–2 | Napoli |
0–0 | 1–2 |
| Dynamo Kyiv |
4–1 |  FC Baník Ostrava |
3–0 | 1–1 |
| FC Zenit Leningrad |
0–6 | VfB Stuttgart |
0–1 | 0–5 |
| Red Star Belgrade |
5–1 | FK Zalgiris Vilnius |
4–1 | 1–0 |
First leg
Second leg
Juventus won 3–1 on aggregate.
Sochaux 1–1 Fiorentina on aggregate. Fiorentina won on away goals rule.
Napoli won 2–1 on aggregate.
Third round
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| SK Rapid Wien |
2–3 | R.F.C. de Liege |
1–0 | 1–3 |
| R. Antwerp F.C. |
2–1 | VfB Stuttgart |
1–0 | 1–1 |
| Olympiacos |
1–1(a) | Auxerre |
1–1 | 0–0 |
| Fiorentina |
1–0 | Dynamo Kyiv |
1–0 | 0–0 |
| Napoli |
3–8 | Werder Bremen |
2–3 | 1–5 |
| Juventus |
3–1 | FC Karl-Marx-Stadt |
2–1 | 1–0 |
| Hamburger SV |
(a)2–2 | F.C. Porto |
1–0 | 1–2 |
| Red Star Belgrade |
2–3 | Köln |
2–0 | 0–3 |
First leg
Second leg
Fiorentina won 1–0 on aggregate.
6 December 1989 |
| Werder Bremen |
5–1 | Napoli |
|---|---|---|
| Riedle 24' 62' Rufer 55'Sauer 88'Eilts 90' |
Bratseth 70' (o.g.) |
Werder Bremen won 8–3 on aggregate.
Juventus won 3–1 on aggregate.
Quarter-finals
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| R.F.C. de Liege |
3–4 | Werder Bremen |
1–4 | 2–0 |
| Fiorentina |
2–0 | Auxerre |
1–0 | 1–0 |
| Köln |
2–0 | R. Antwerp F.C. |
2–0 | 0–0 |
| Hamburger SV |
2–3 | Juventus |
0–2 | 2–1 |
First leg
Second leg
Fiorentina won 2–0 on aggregate.
Juventus won 3–2 on aggregate.
Semi-finals
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Juventus |
3–2 | Köln |
3–2 | 0–0 |
| Werder Bremen |
1–1(a) | Fiorentina |
1–1 | 0–0 |
First leg
Second leg
Juventus won 3–2 on aggregate.
Fiorentina 1–1 Werder Bremen on aggregate. Fiorentina won on away goals rule.
Final
First leg
Second leg
Juventus won 3–1 on aggregate.