The Portuguese defender sprained his ankle in the first half of Monday night's win against Charlton, forcing him out of the second half.
Anthony Gardner stepped into the left-back slot in the second half - his first action since March 11 after recovering from a hairline fracture of the fibula - and Martin Jol has options in that position now with the return to fitness of Benoit Assou-Ekotto, although Lee Young Pyo (knee) remains out.
Mido (groin) and Paul Stalteri (knee) are also still sidelined.
"I don't think Ricardo Rocha will be fit," reported Martin. "But for the rest of the squad I think we will be fine.
"Anthony Gardner played his first match back at Charlton and that was good, because our two left-backs were out, Ekotto hadn't played for three months and that would have been a bit of a gamble.
"We've got a few options there now and a decision to make because Anthony, Ekotto and Phil Ifil can all play there."
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Ricardo Rocha is the big doubt for tomorrow night's (Thursday, 8pm) Premiership clash against Blackburn at the Lane.