Blackpool and Middlesbrough are still goalless after a quiet opening half at Bloomfield Road.
Middlesbrough midfielder Adam Forshaw almost opened the scoring after just five minutes when he was found with an accurate through-ball, but he poked his effort narrowly wide.
It took Middlesbrough another 20 minutes to fashion a second real chance, and it took a smart save by Blackpool's Joe Lewis to keep out Daniel Ayala's close-range header.
Blackpool failed to seriously test Middlesbrough keeper Dimitrios Konstantopoulos in a frustrating opening half for the hosts.
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