Pompey started 2023 with a League One defeat to Charlton at Fratton Park.
Jesurun Rak-Sakyi put the visitors ahead, only for Connor Ogilvie to level just before the break.
But Scott Fraser restored the Addicks' lead and after Marlon Pack was sent off for Danny Cowley's side, an Owen Dale own-goal completed the Blues' misery.
Fans can watch the key moments (top video) or register with iFollow for extended highlights (middle video) and a full match replay (bottom video).
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