Blackpool slipped to the bottom of the SkyBet Championship after a scrappy 0-0 draw with fellow relegation battlers Rotherham at Bloomfield Road.
Millers midfielder Oliver Rathbone went closest to breaking the deadlock, but Seasiders goalkeeper Chris Maxwell thwarted him with a fine save as both sides were forced to settle for a point.
New Blackpool boss Mick McCarthy is now without a win in his first four matches in charge in all competitions.
Grant Hall wasted a great chance to put the visitors ahead but he headed wide from Conor Coventry's free-kick four minutes before the break.
Blackpool forward Jerry Yates headed agonisingly wide against his former club as the home side started the second half with real purpose.
Cohen Bramall then went close to scoring, but his sweet right-foot strike struck the outside of the post and flew to safety.
Charlie Patino forced Viktor Johansson into a decent save shortly after the hour mark.
Maxwell then produced a fine save to thwart Rathbone but, despite both sides battling until the death, neither could find the breakthrough they craved.