Born in Karnataka, Antonay made his senior debut with Indian Super League side Chennaiyin and has also represented Chennaiyin B particularly in I-League II.
On 6 December 2020, he made his debut for I-League side Indian Arrows against Gokulam Kerala FC.
He came on as a 75th minute substitute for the Ajin Tom as the match ended in 0–1 victory for Gokulam Kerala.
[3][4] On 5 June 2020, Antonay joined Indian Super League club Odisha FC.
[6] On 6 September 2024, Antonay joined Super League Kerala side Thrissur Magic.