Tshe is a letter of the Cyrillic script, used only in the Serbian Cyrillic alphabet, where it represents the voiceless alveolo-palatal affricate /tɕ/, somewhat like the pronunciation of ⟨ch⟩ in "chew"; however, it must not be confused with the voiceless retroflex affricate Che, which represents /ʈ͡ʂ/ and which also exists in Serbian Cyrillic script. Wikipedia