Most 15-year-olds are still finding their game. Seyi Ebenezer Ogunsakin already has a world ranking. The right-hander from Ado Ekiti holds an ITF junior ranking of 953, a verified ITF World Tennis Number of 16.19, a UTR of 10 — and a place on Nigeria's junior national team that he has kept through three age groups.
⚡ Fast Facts · Seyi Ogunsakin
Three Age Groups, One Shirt
Seyi has represented Nigeria at 12 & under, 14 & under and now 16 & under. Being picked once is talent; being picked three times running is consistency, and it is the thread that runs through everything else on his record.
His 2026 has been built on the ITF J30 circuit in West Africa: a singles final in Abuja in February, four semifinals across Abuja and Accra, and a boys' doubles title. At the NASCO/ITF J30 in Abuja in June he beat Segun Monday 6-1 6-3 and Joseph Ogbole 6-2 6-0 before losing to compatriot Elisha Kwange — the same Kwange profiled on this site, three years his senior.
Coached at Home, Ranked Abroad
Seyi's coach is his father, Akinwumi Ogunsakin, a verified coach on AllONDECK. That is a familiar story in African tennis, where the first years of a career are often family-funded and family-coached. What is less familiar is the outcome: a junior from Ekiti State with a ranking that appears on the ITF's own website, and a World Tennis Number — the ITF's global rating — of 16.19, one of only a handful of AllONDECK players to have one at all.
The numbers matter because they are the numbers foreign academies, federations and college coaches actually check. An ITF ranking and a WTN are the two credentials that travel.
What He Is Looking For
Seyi's stated goal on the platform is straightforward: sponsorship or an equipment deal. At 15, the next step is more international junior events — and those cost money to enter and reach. His father's coaching gets him on court; the tour gets him the ranking points.
Why This Matters for African Tennis
Every ITF junior ranking held by a Nigerian 15-year-old is proof that the pathway exists from a regional J30 circuit to a world number. Seyi is early on it. The people who can shorten it — academies, sponsors, federation programmes — can see his verified record, his results and his ranking link on one page. That is what AllONDECK is for.
See the full profile, rating and record on AllONDECK. View Seyi's profile →