Portugal: Tier 1 - 1967-68
| Sporting CP beat Benfica 3-1 (H) on 31 Dec 1967 |
| Benfica beat Vitória Setúbal 2-1 (H) on 1 Oct 1967 |
| Vitória Setúbal beat Leixões 1-0 (A) on 5 Nov 1967 |
| Leixões beat Barreirense 3-0 (H) on 22 Oct 1967 |
| Barreirense beat Tirsense 1-0 (H) on 29 Oct 1967 |
| Tirsense beat Varzim 1-0 (A) on 1 Oct 1967 |
| Varzim beat da CUF Barreiro 2-1 (A) on 22 Oct 1967 |
| da CUF Barreiro beat Sanjoanense 3-2 (H) on 10 Sep 1967 |
| Sanjoanense beat Braga 3-0 (H) on 17 Sep 1967 |
| Braga beat Os Belenenses 1-0 (H) on 5 Nov 1967 |
| Os Belenenses beat Vitória Guimarães 3-2 (H) on 24 Sep 1967 |
| Vitória Guimarães beat Porto 2-1 (H) on 24 Dec 1967 |
| Porto beat Académica Coimbra 1-0 (H) on 29 Oct 1967 |
| Académica Coimbra beat Sporting CP 2-0 (H) on 22 Oct 1967 |
HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.