UMPIRY
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J J Wolf vs Abedallah Shelbayh — Sioux Falls Round of 32

Sioux FallsR32HardMon 26 Oct · 10:00
Win probabilityWho is more likely to winSlight edge · Wolf J.
60%40%

Wolf J. favoured, but within the range where form on the day decides.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Wolf J.5.8/10
Slight disadvantageBased on 5/6 signal groups5/6
Shelbayh A.5.9/10
Even matchBased on 5/6 signal groups5/6
Why
Surface form6 of last 10 on hardAgainst the prediction · Shelbayh A.
Recent runLost last 3Informative
Surface switchClay → HardSupports Wolf J.
Long matches1 three-setter in 14 daysAgainst the prediction · Shelbayh A.
Head-to-headNo prior meetingsBoth players
ELO1 799
Hard ELO1 698
Last 104–6
Age27
Height183 cm
PlaysRight
ELO1 717
Hard ELO1 671
Last 106–4
Age22
Height180 cm
PlaysLeft

J J Wolf faces Abedallah Shelbayh in the Sioux Falls round of 32 on hard. J J Wolf is the paper favourite — ranked #216 — but Abedallah Shelbayh arrives in form, winning 6 of their last 9 on hard to J J Wolf's 4 of 9.

Key context

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

Wolf J.Shelbayh A.
FormLast 10 matches each · 2026
Win–loss4–66–4 (ahead)
Season win rate59% (17–12) (ahead)48% (29–31)
RatingUmpiry ELO
Overall ELO1799 (ahead)1717
Hard-court ELO1698 (ahead)1671
Serve vs returnLast 23 vs 57 matches
1st-serve points won73% (ahead)67%
Return points won38%39% (ahead)
Aces / match5.8 (ahead)2.9
ClutchLast 23 vs 57 matches
Break points saved49%58% (ahead)

Draw

Odds

Conditions

10:00 local
SurfaceHard
Forecast6°C · Overcast
Wind19 km/h
Humidity92%

Freshness

Last 7 & 14 days
Wolf J.Shelbayh A.
3Days since last match7 — fresher
2Matches · 7 days1 — fresher
51Games · 7 days21 — fresher
2Matches · 14 days2
51Games · 14 days38 — fresher
Green marks the fresher player.

Cite this

Umpiry, "J J Wolf vs Abedallah Shelbayh — Sioux Falls Round of 32", https://umpiry.com/match/2026-10-26/shelbayh-vs-wolf-sioux-falls-r32?utm_source=cite (as of 26 October 2026).