The 24 year-old from Hackney, who’s already gaining a knockout reputation following four previous stoppages in 2017, remained dominant against Blaise Mendouo despite not finishing the fight early.
At the end of a convincing four sessions, Okolie took the contest 59-54 on referee Kieran McCann’s scorecard.
Also in action at the famous London venue was light heavyweight Jake Ball who took a tight points triumph after ten rounds against previously undefeated Joe Sherriff.
At super welterweight, Ted Cheeseman improved to 10-0 with a third round disqualification win over Francesco Lezzi. Cheeseman was on top when referee McCann threw the Italian out for what seemed to be a tame push coupled with a furious complaint.
Welshman Joe Cordina continued his progress with a first round victory over Jamie Speight, whilst Conor Benn went full beast mode on Kane Baker to force a second round stoppage.
Another first session win came when Felix Cash halted Fernando Heredia, whilst light heavyweight Joshua Buatsi battered Baptiste Castegnaro in five and can now boast a 2-0 C.V.
All in all, Eddie Hearn’s stable of stand-out prospects look in good shape as they build their opposition step-by-step.
A plan to have most competitors in the British title picture by 2018 looks on course to come to fruition for the NXTGEN group.