AFC Bournemouth 3 Brighton & Hove Albion 1
Albion lost a relegation six-pointer at the Vitality Stadium.
Harry Wilson put the Cherries ahead 10 minutes before the break.
Minutes later Pascal Gross scored an own goal to double Bournemouth’s advantage.
Callum Wilson made it three for Bournemouth with 15 minutes left.
Aaron Mooy scored a consolation goal for Albion on 81 minutes.
The Seagulls stay 15th in the Premier League for now with just two points separating four teams.
Since 2017 Albion have yet to occupy the bottom three of the Premier League.
The Seagulls’ next Premier League fixture, another six-pointer, is against West Ham at the London Stadium on Saturday 1 February.