Italy: Serie A - 1979-80
| Roma beat Inter 1-0 (H) on 16 Dec 1979 |
| Inter beat Juventus 4-0 (H) on 11 Oct 1979 |
| Juventus beat Catanzaro 1-0 (A) on 23 Sep 1979 |
| Catanzaro beat Lazio 2-1 (H) on 25 Nov 1979 |
| Lazio beat Pescara Calcio 2-0 (H) on 11 Oct 1979 |
| Pescara Calcio beat Napoli 1-0 (H) on 2 Dec 1979 |
| Napoli beat Milan 2-1 (A) on 25 Nov 1979 |
| Milan beat Torino 1-0 (A) on 11 Oct 1979 |
| Torino beat Perugia 2-0 (A) on 28 Oct 1979 |
| Perugia beat Udinese 2-0 (H) on 30 Sep 1979 |
| Udinese beat Ascoli Calcio 3-1 (H) on 4 Nov 1979 |
| Ascoli Calcio beat Cagliari 1-0 (H) on 16 Dec 1979 |
| Cagliari beat Fiorentina 2-1 (H) on 9 Dec 1979 |
| Fiorentina beat Avellino 3-0 (H) on 16 Dec 1979 |
| Avellino beat Bologna 1-0 (H) on 14 Oct 1979 |
| Bologna beat Roma 2-1 (A) on 30 Sep 1979 |
HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.