Munroe had his first professional fight in September 2003, when he stopped journeyman Joel Viney in the third round at the Harvey Hadden Leisure Center in Nottingham.
[2] In an interview for Boxing News, Munroe said that he faced the toughest man to date so far during his career in this period, the David Kiilu.
The early and middle rounds were fairly close with little to choose between the two fighters but late on Munroe took control and won a unanimous decision.
Munroe, who had previously been promoted by Frank Maloney, signed an 18-month deal[12] in March 2011 with Hatton Promotions for forthcoming fights,[13] the first being at the MEN Arena where Munroe captured the vacant WBA international super bantamweight title with a unanimous decision over Andrei Isaeu on 16 April 2011.
[14] Munroe fought against Scott Quigg for the interim WBA super bantamweight title at the Manchester Velodrome on 16 June 2012.
However, the fight was ruled a technical draw in the third round after Munroe suffered a cut over his right eye from an accidental head butt.