If four voluntary rakahs are offered with one salam and a sitting after the second, Hanafi jurists report more than one view about how many count toward tarawih.
Some count only two, while another accepted view allows all four to count. The dispute is about their legal credit, not about changing the normal preferred two-rakah format.
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Qiyam Ramadan: Tarawih, Qur’an Recitation, and Witr Congregation
If four voluntary rakahs are offered with one salam and a sitting after the second, Hanafi jurists report more than one view about how many count toward tarawih.
Some count only two, while another accepted view allows all four to count. The dispute is about their legal credit, not about changing the normal preferred two-rakah format.