An argument broke out inside the venue last month (credit Topgolf)
A man suffered severe facial injuries in the melee on Saturday, 29 June.
A verbal argument broke out inside the venue at around 11.20pm.
Three people then started fighting outside, police say.
Those who were arrested, a 21-year-old man from Romford and a 24-year-old man from Ilford, are suspected of grievous bodily harm and have been released under investigation.
Police are appealing for witnesses to contact them on 101, with the reference number 42/102589/19.
Alternatively, you can call Crimestoppers in complete confidence on 0800 555 111 or submit an anonymous report on their website.
Tags: Chigwell, Romford, Ilford