Portugal: Tier 1 - 1979-80
| Sporting CP beat Porto 1-0 (H) on 9 Dec 1979 |
| Porto beat Braga 2-0 (A) on 26 Aug 1979 |
| Braga beat Vitória Guimarães 2-1 (H) on 9 Sep 1979 |
| Vitória Guimarães beat SC Espinho 1-0 (H) on 2 Sep 1979 |
| SC Espinho beat União Leiria 2-1 (H) on 9 Sep 1979 |
| União Leiria beat Boavista 3-1 (H) on 2 Sep 1979 |
| Boavista beat Portimonense 5-1 (H) on 11 Nov 1979 |
| Portimonense beat SC Beira Mar 1-0 (H) on 9 Sep 1979 |
| SC Beira Mar beat Estoril 3-1 (H) on 25 Nov 1979 |
| Estoril beat Rio Ave 2-0 (A) on 4 Nov 1979 |
| Rio Ave beat CS Marítimo 4-0 (H) on 16 Sep 1979 |
| CS Marítimo beat Vitória Setúbal 1-0 (A) on 2 Sep 1979 |
| Vitória Setúbal beat Varzim 4-0 (H) on 25 Nov 1979 |
| Varzim beat Benfica 2-0 (H) on 11 Nov 1979 |
| Benfica beat Os Belenenses 3-0 (A) on 21 Oct 1979 |
| Os Belenenses beat Sporting CP 2-1 (H) on 2 Sep 1979 |
HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.