Has there ever been a 6–3 in the Brasileirão?

Yes, 7 times.

The first time: May 1, 1978, Botafogo-PB beat Uberlândia (Botafogo-PB 6–3 Uberlândia).

The last time: June 8, 2017, Grêmio beat Chapecoense (Chapecoense 3–6 Grêmio), 9 years ago.

Home wins: 3. Away wins: 4.

Nearby scores

1. 7–2 3 times
2. 7–3 Never
3. 7–4 1 time
4. 6–2 23 times
5. 6–3 7 times
6. 6–4 5 times
7. 5–2 90 times
8. 5–3 37 times
9. 5–4 10 times

All games

1. June 8, 2017 Chapecoense 3–6 Grêmio
2. May 12, 2007 Figueirense 3–6 Atlético-PR
3. November 7, 2001 Atlético-PR 6–3 Bahia
4. September 2, 2001 Ponte Preta 3–6 São Caetano
5. September 26, 1998 Juventude 3–6 Palmeiras
6. October 12, 1996 Goiás 6–3 Internacional · approximate date (matchday spread over several days)
7. May 1, 1978 Botafogo-PB 6–3 Uberlândia