The free-transfer signing, released by Reading this summer, was a second-half substitute as Boro began life outside the top flight with a goalless home draw against Sheffield United last Friday.
Gareth Southgate will first monitor the fitness of Tuncay, who recovered from tonsilitis to feature for Turkey in their 3-0 win in Ukraine on Wednesday.
Brazilian striker Afonso Alves is also close to full fitness again having played 45 minutes in a behind-closed-doors game against Motherwell during the week.
French midfielder Didier Digard is missing having been ruled out for two or three weeks with a slight abductor strain.
It means Gary O'Neil has delayed his hernia operation until the end of the month and he should start.