The 1990 Campeonato Ecuatoriano de Fútbol de la Serie A was the 32nd season of the Serie A, the top level of professional football in Ecuador.

LDU Quito won their fourth national championship under the guidance of manager Polo Carrera. Their title was won on December 23 when they defeated Barcelona 3–1 at Estadio Olímpico Atahualpa.

First stage

Pos Team Pld W D L GF GA GD Pts Qualification or relegation
1 El Nacional 22 13 8 1 47 18 +29 34 Qualified to the Third Stage
2 Barcelona 22 11 4 7 45 25 +20 26
3 Deportivo Quito 22 9 8 5 35 19 +16 26
4 Emelec 22 10 5 7 27 18 +9 25
5 LDU Quito 22 9 7 6 27 23 +4 25
6 Delfín 22 8 7 7 25 24 +1 23
7 Deportivo Cuenca 22 7 8 7 31 28 +3 22
8 Técnico Universitario 22 10 2 10 28 30 −2 22
9 Filanbanco 22 6 8 8 21 25 −4 20
10 Aucas 22 6 6 10 28 38 −10 18
11 Macará 22 6 4 12 19 43 −24 16 Relegation Ligulla
12 Juventus 22 2 3 17 16 58 −42 7 Relegated to the Serie B
Source: RSSSF
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored.

Second stage

Universidad Católica, winners of the 1990 Serie B E1, were promoted to the Serie A for this stage.

Group 1
Pos Team Pld W D L GF GA GD Pts Qualification or relegation
1 Deportivo Quito 10 7 3 0 19 5 +14 17 Qualified to the Third Stage
2 El Nacional 10 6 3 1 14 6 +8 15
3 Filanbanco 10 3 3 4 15 13 +2 9
4 Deportivo Cuenca 10 3 3 4 7 12 −5 9
5 LDU Quito 10 1 3 6 10 16 −6 5
6 Macará 10 1 3 6 7 20 −13 5
Source: RSSSF
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored.

Group 2
Pos Team Pld W D L GF GA GD Pts Qualification or relegation
1 Universidade Católica 10 4 6 0 13 5 +8 14 Qualified to the Third Stage
2 Emelec 10 5 2 3 18 8 +10 12
3 Aucas 10 3 3 4 15 29 −14 9
4 Técnico Universitario 10 4 2 4 11 13 −2 8[a]
5 Delfín 10 2 4 4 8 11 −3 8
6 Barcelona 10 2 3 5 12 21 −9 7
Source: RSSSF
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored.
Notes:
  1. ^ Técnico Universitario was docked two points.

Aggregate table

Since five of the eight spots for the Third Stage were filled in based on their performance in the previous stages, an aggregate table of the First and Second Stages was used to determine who would fill in the remaining three space, as well as who would complete the Relegation Liguilla.

Pos Team Pld W D L GF GA GD Pts Qualification or relegation
1 El Nacional 32 19 11 2 61 24 +37 49
2 Deportivo Quito 32 16 11 5 54 24 +30 43
3 Emelec 32 15 7 10 45 26 +19 37
4 Barcelona 32 13 7 12 57 46 +11 33
5 Delfín 32 10 11 11 33 35 −2 31 Qualified to the Third Stage
6 Deportivo Cuenca 32 10 11 11 38 40 −2 31
7 LDU Quito 32 10 10 12 37 39 −2 30
8 Técnico Universitario 32 14 4 14 39 43 −4 30[a] Relegation Liguilla
9 Filanbanco 32 9 11 12 36 38 −2 29
10 Aucas 32 9 9 14 43 67 −24 27
11 Macará 32 7 7 18 26 63 −37 21
12 Universidad Católica 10 4 6 0 13 5 +8 14
13 Juventus 22 2 3 17 16 58 −42 7
Source: RSSSF
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored.
Notes:
  1. ^ Técnico Universitario was docked two points in the Second Stage.

Third stage

Group 1

Pos Team Pld W D L GF GA GD Pts Qualification or relegation NAC LDQ QUI CUE
1 El Nacional 6 2 4 0 9 6 +3 9.5[a] Qualified to the Liguilla Final 3–3 1–1 3–1
2 LDU Quito 6 2 3 1 13 8 +5 7 0–1 2–2 1–1
3 Deportivo Quito 6 1 3 2 8 12 −4 6.5[a] 1–1 1–5 2–1
4 Deportivo Cuenca 6 1 2 3 5 9 −4 4 0–0 0–2 2–1
Source: RSSSF
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored.
Notes:
  1. ^ a b Includes bonus points earned in the previous stage: El Nacional and Deportivo Cuenca 1.5 points each.

Group 2

Pos Team Pld W D L GF GA GD Pts Qualification or relegation EME BAR DEL CAT
1 Emelec 6 3 2 1 8 5 +3 9[a] Qualified to the Liguilla Final 3–4 1–0 0–0
2 Barcelona 6 3 2 1 9 5 +4 8 0–1 1–0 3–0
3 Delfín 6 2 1 3 4 5 −1 5 1–3 0–0 2–0
4 Universidad Católica 6 0 3 3 1 7 −6 4[a] 0–0 1–1 0–1
Source: RSSSF
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored.
Notes:
  1. ^ a b Includes bonus points earned in the previous stage: Emelec and Universidad Católica 1 point each.

Relegation Liguilla

Pos Team Pld W D L GF GA GD Pts Qualification or relegation FIL TEC MAC AUC
1 Filanbanco 6 4 1 1 12 5 +7 9 2–0 2–1 5–0
2 Técnico Universitario 6 3 1 2 5 4 +1 7 2–0 0–1 1–0
3 Macará 6 3 1 2 6 3 +3 6[a] 0–1 0–0 2–0
4 Aucas 6 0 1 5 3 14 −11 0.5[a] Relegation to the Serie B 2–2 1–2 0–2
Source: RSSSF
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored.
Notes:
  1. ^ a b Includes relegation points earned in the previous stage: Macará –1; Aucas –0.5.

Liguilla Final

Pos Team Pld W D L GF GA GD Pts Qualification or relegation LDQ BAR EME NAC
1 LDU Quito (C) 6 3 1 2 7 9 −2 7 1991 Copa Libertadores 3–1 1–0 1–0
2 Barcelona 6 1 4 1 10 8 +2 6 Second-Place Playoffs 4–0 1–1 2–2
3 Emelec 6 2 2 2 6 9 −3 6 2–0 1–1 1–0
4 El Nacional 6 1 3 2 11 8 +3 5 2–2 1–1 6–1
Source: RSSSF
Rules for classification: 1st points
(C) Champions


 Serie A
1990 champion 
LDU Quito
4th title

Second-place playoffs

Team 1  Score  Team 2
Emelec 1–1 Barcelona
Barcelona 3–1 Emelec
Allikas: https://en.wikipedia.org/wiki/1990_Campeonato_Ecuatoriano_de_F%C3%BAtbol_Serie_A
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