UMPIRY
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Yuto Oki vs O. Brown — M15 Yanagawa City Round of 32

M15 Yanagawa CityR32HardWed 28 Oct · 10:00
Yuto OkiJPN50%
VSToss-up
O. Brown(8)GBR50%
Win probabilityWho is more likely to winToss-up
50%50%

No meaningful edge. Serve performance in the first set is the likeliest tiebreaker.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Oki Y.5.7/10
Slight disadvantageBased on 5/6 signal groups5/6
Brown O.6.1/10
Even matchBased on 5/6 signal groups5/6
What we know
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
ELO1 543
Hard ELO1 530
Last 106–4
Age21
ELO1 535
Hard ELO1 537
Last 106–4
Age24

Common opponents

0 shared · last 12 months
No common opponents in the last 12 months. Surface form and ELO carry more weight here.

Head-to-head

They have not met before.

Evidence

Oki Y.Brown O.
FormLast 10 matches each · 2026
Win–loss6–46–4
Season win rate62% (13–8) (ahead)60% (15–10)
RatingUmpiry ELO
Overall ELO1543 (ahead)1535
Hard-court ELO15301537 (ahead)
Serve vs returnLast 16 vs 19 matches
1st-serve points won66% (ahead)64%
Return points won41%45% (ahead)
Aces / match2.0 (ahead)1.6
ClutchLast 16 vs 19 matches
Break points saved60%61% (ahead)

Draw

Odds

Conditions

10:00 local
SurfaceHard
Forecast17°C · Clear
Wind9 km/h
Humidity58%

Cite this

Umpiry, "Yuto Oki vs O. Brown — M15 Yanagawa City Round of 32", https://umpiry.com/match/2026-10-28/brown-vs-oki-m15-yanagawa-city-r32?utm_source=cite (as of 28 October 2026).