He won his first bout against Jason Lavigilante of Mauritius by 18 points to 14.
[1] In the second round, he was defeated by Michael Conlan of Ireland, losing by 19 points to 8.
[2] He held the WBO Africa bantamweight title which he acquired in his twelfth bout, knocking out Ekow Wilson, also of Ghana, in the third round.
Micah defended this title twice, first in a re-match with Wilson and then against Yaqub Kareem of Nigeria, both wins coming by way of knockout.
In 2020, he fought for the WBO bantamweight title and lost via third-round knockout to Johnriel Casimero.