Darren Farrell, 39, of Beresford Close, Waterlooville, admitted assault occasioning actual bodily harm in Foxtail Road, Waterlooville, on October 28, 2015.
Farrell also admitted three charges of assault by beating, on June 5 this year, May 30 and between April 1 and May 1.
Portsmouth magistrates imposed a two-year community order with 32 days of a relationships course.
He must complete 60 hours of unpaid work.
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Farrell must pay an Â£85 victim surcharge and Â£450 costs to the Crown Prosecution Service. He was sentenced at Portsmouth Magistrates' Court on October 11.