Hastings man Karl Bunster, 37, is wanted for breach of bail conditions.
He is due to appear before Hastings magistrates on December 30 charged with two counts of assault by beating.
However, a spokesman said he has broken one of the conditions of his bail in contacting his victim and is now wanted by police.
Anyone who knows of his whereabouts, can contact Sussex Police by emailing email@example.com or calling 101 quoting serial 1715 of 15/07.
Alternatively, contact the independent charity Crimestoppers anonymously on 0800 555 111, www.crimestoppers-uk.org.
A Sussex Police spokesman said: “If you see him, call 999 immediately, but do not approach.
“He is not believed to be a danger to the public, but may be alerted before police officers arrive.”
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