Marcus Harness fired the Blues into the lead, before Jordan Willis and Chris Maguire turned the tables for the hosts.
1. Sunderland v Portsmouth
Brett Pitman and Lee Brown warming up before the match Photo: Malcolm Mackenzie
2. Sunderland v Portsmouth
John Marquis and Jordan Willis Photo: Malcolm Mackenzie
3. Sunderland v Portsmouth
Marcus Harness breaks away to score the opening goal Photo: Malcolm Mackenzie
4. Marcus Harness (#19) of Portsmouth FC celebrates after scoring the opening goal during the EFL Sky Bet League 1 match between Sunderland and Portsmouth at the Stadium Of Light, Sunderland, England on 17 August 2019.
Marcus Harness celebrates after scoring the opening goal Photo: Malcolm Mackenzie