A stunning strike from Sullay Kaikai earned the three points for Blackpool on Tuesday night at the Stadium of Light, while goalkeeper Chris Maxwell made a couple of superb saves.
The result means that the Black Cats have not won in SEVEN third-tier games – their worst-ever record at this level and worst winless run since the Championship relegation campaign
Can Lee Johnson stop the rot against Plymouth Argyle this coming Saturday?
Here, we take a look at how Sunderland’s form in their last six games compared to their rivals in League One – simply scroll down to take a look at the third-tier form table:

. ACCRINGTON, ENGLAND - MARCH 17: Lee Johnson, Manager of Sunderland is seen wearing a face covering as he inspects the pitch prior to the Sky Bet League One match between Accrington Stanley and Sunderland at The Crown Ground on March 17, 2021 in Accrington, England. Sporting stadiums around the UK remain under strict restrictions due to the Coronavirus Pandemic as Government social distancing laws prohibit fans inside venues resulting in games being played behind closed doors. (Photo by Lewis Storey/Getty Images)
Sunderland head coach Lee Johnson. Photo: Lewis Storey

. Hull City
Already promoted Hull City have won five of their last six games and are unbeaten having drawn the other clash putting them firmly on top of the League One form table. Photo: Joe Portlock

. AFC Wimbledon
AFC Wimbledon have embarked on a superb run of form in the last six League One game, winning four and drawing two. Photo: Alex Davidson

. Wigan Athletic
Wigan Athletic have lost just once in their last six matches, winning four and drawing the other, impressive! Photo: Lewis Storey

. Lincoln City
Lincoln City have won four, drawn one and lost one of their last six League One fixtures. Photo: Naomi Baker

. Charlton Athletic
Charlton Athletic have won three, drawn two and lost one of their last six League One fixtures. Photo: Julian Finney

. Burton Albion
Burton Albion have won three, drawn two and lost one of their last six League One fixtures. Photo: Naomi Baker

. Peterborough United
Peterborough United have won three, drawn two and lost one of their last six League One fixtures. Photo: Alex Pantling

1. Hull City
Already promoted Hull City have won five of their last six games and are unbeaten having drawn the other clash putting them firmly on top of the League One form table. Photo: Joe Portlock

2. AFC Wimbledon
AFC Wimbledon have embarked on a superb run of form in the last six League One game, winning four and drawing two. Photo: Alex Davidson

3. Wigan Athletic
Wigan Athletic have lost just once in their last six matches, winning four and drawing the other, impressive! Photo: Lewis Storey

4. Lincoln City
Lincoln City have won four, drawn one and lost one of their last six League One fixtures. Photo: Naomi Baker