Oliver Okonkwo defeated Nathan Ponwith in the Round of 16 at the M15 Champaign, winning 6-1, 6-4 on hard courts. Okonkwo hit 3 aces and no double faults, while Ponwith had 1 ace and 3 double faults. Okonkwo converted 33% of break points and won 3 service breaks to advance.
No previous meetings on record.
Averages over each player's completed matches in the selected window (1 vs 1). ATP, WTA & Challenger.
Clear favourite · Okonkwo O. clearly ahead, but no certainty
Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About