[2] Alongside boxing as an amateur he continued in pursuit of further education, studying at college and eventually moving on to Kingston University in south west London, earning a degree in marketing communications and advertising in 2015.

[3] Riakporhe made his professional debut on 6 August 2016, scoring a four-round points decision (PTS) victory over Jason Jones at the York Hall in London.

[10] Riakporhe's final fight of 2018 was against Sam Hyde on 10 November at the Manchester Arena, with the vacant WBA Inter-Continental cruiserweight title on the line.

[19] A month later, Riakporhe beat Olanrewaju Durodola by a fifth-round technical knockout to capture the vacant WBC Silver cruiserweight title.

[20] Riakporhe was booked to face Fabio Turchi on 26 March 2022, in the main event of a BOXXER Fight Night card which will take place at the Wembley Arena in London, England.

[24] Riakporhe faced the former two-time WBO cruiserweight world champion Krzysztof Głowacki on 21 January 2023 (on the undercard of Chris Eubank Jr. vs Liam Smith).

[28] Riakporhe challenged WBO cruiserweight champion Chris Billam-Smith at Selhurst Park in London, England, on June 15, 2024, but lost by unanimous decision.