Portugal: Tier 1 - 1990-91
| Sporting CP beat Famalicão 1-0 (A) on 4 Nov 1990 |
| Famalicão beat Tirsense 2-1 (H) on 21 Oct 1990 |
| Tirsense beat Braga 1-0 (H) on 28 Oct 1990 |
| Braga beat Os Belenenses 2-0 (H) on 19 Aug 1990 |
| Os Belenenses beat Vitória Guimarães 1-0 (H) on 4 Nov 1990 |
| Vitória Guimarães beat Penafiel 3-0 (H) on 7 Oct 1990 |
| Penafiel beat SC Salgueiros 1-0 (H) on 28 Oct 1990 |
| SC Salgueiros beat SC Beira Mar 2-1 (H) on 30 Sep 1990 |
| SC Beira Mar beat Boavista 2-0 (H) on 7 Oct 1990 |
| Boavista beat CS Marítimo 1-0 (H) on 30 Sep 1990 |
| CS Marítimo beat União da Madeira 2-1 (H) on 28 Oct 1990 |
| União da Madeira beat Vitória Setúbal 1-0 (A) on 19 Aug 1990 |
| Vitória Setúbal beat Benfica 2-0 (H) on 4 Nov 1990 |
| Benfica beat Nacional 3-0 (H) on 28 Oct 1990 |
| Nacional beat Porto 2-1 (A) on 7 Oct 1990 |
| Porto beat Estrela Amadora 2-0 (H) on 23 Sep 1990 |
| Estrela Amadora beat Gil Vicente 5-2 (H) on 4 Nov 1990 |
| Gil Vicente beat Farense 2-1 (H) on 16 Sep 1990 |
| Farense beat Chaves 2-0 (H) on 28 Oct 1990 |
FLP: Thick arrows show the earliest chain of wins that passes through every team.