Brazil: Serie A - 1997

Brazil: Serie A - 1997 - Earliest Hamiltonian win cycle
Bragantino beat Palmeiras 2-1 (H) on 13 Sep 1997
Palmeiras beat América Natal 4-0 (H) on 20 Jul 1997
América Natal beat Goiás 1-0 (H) on 31 Aug 1997
Goiás beat Paraná 1-0 (H) on 20 Aug 1997
Paraná beat União São João 2-0 (A) on 9 Jul 1997
União São João beat Juventude 1-0 (H) on 2 Aug 1997
Juventude beat Internacional 1-0 (A) on 11 Sep 1997
Internacional beat Portuguesa 2-1 (H) on 9 Jul 1997
Portuguesa beat Coritiba 1-0 (H) on 6 Jul 1997
Coritiba beat Sport Recife 2-0 (H) on 13 Jul 1997
Sport Recife beat Athletico Paranaense 3-1 (H) on 16 Jul 1997
Athletico Paranaense beat Bahia 4-3 (H) on 19 Jul 1997
Bahia beat Flamengo 1-0 (H) on 9 Jul 1997
Flamengo beat Fluminense 2-1 (A) on 11 Sep 1997
Fluminense beat Santos 1-0 (H) on 30 Aug 1997
Santos beat Grêmio 3-0 (H) on 23 Jul 1997
Grêmio beat Vasco da Gama 3-1 (H) on 6 Sep 1997
Vasco da Gama beat São Paulo 2-1 (H) on 23 Jul 1997
São Paulo beat Corinthians 1-0 (A) on 31 Aug 1997
Corinthians beat Vitória 3-1 (H) on 11 Sep 1997
Vitória beat Criciúma 1-0 (H) on 3 Aug 1997
Criciúma beat Botafogo 1-0 (H) on 13 Aug 1997
Botafogo beat Atlético Mineiro 2-0 (H) on 17 Jul 1997
Atlético Mineiro beat Cruzeiro 2-1 (H) on 20 Jul 1997
Cruzeiro beat Guarani 3-1 (H) on 6 Jul 1997
Guarani beat Bragantino 2-1 (H) on 27 Jul 1997

HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.