UMPIRY
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Yi Zhou vs Jake Delaney — Ningboo Round of 16

NingbooR16HardThu 29 Oct · 07:00 UTCCENTER COURT · After 1 match
Win probabilityWho is more likely to winSlight edge · Zhou Y.
64%36%

Zhou Y. favoured, but within the range where form on the day decides.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Zhou Y.7.6/10
Dominant favourite
Delaney J.4.6/10
Heavy underdog
Why
Surface+356 Hard Elo edgeSupports Zhou Y.
Overall ratingOverall Elo 1456Supports Zhou Y.
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
Long matches1 three-setter in 14 daysBoth players
ELO1 721
Hard ELO1 643
Last 106–4
Age21
Height193 cm
PlaysRight
EarningsCareer $465K2026 $126K
ELO1 642
Hard ELO1 622
Last 106–4
Age29
Height185 cm
PlaysRight
EarningsCareer $153K2026 $28K

Yi Zhou faces Jake Delaney in the Ningboo round of 16 on hard. Yi Zhou holds the paper edge — ranked #256, a roughly 360-point hard Elo advantage. Recent hard form is closely matched.

Key context

  • Freshness: Workload contrast: Yi Zhou 108 games in 14 days, Jake Delaney 53.
  • Last match: Yi Zhou dropped the opening set before beating Elias Ymer 1–6 7–6 6–4.
  • Surface form: Both 6 of 10 on hard recently — court-specific quality nearly identical despite the ranking gap.

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

Zhou Y.Delaney J.
FormLast 10 matches each · 2026
Win–loss6–46–4
Season win rate53% (27–24)54% (28–24) (ahead)
RatingUmpiry ELO
Overall ELO1721 (ahead)1642
Hard-court ELO1643 (ahead)1622
Serve vs returnLast 48 vs 40 matches
1st-serve points won72%73% (ahead)
Return points won36% (ahead)33%
Aces / match6.88.0 (ahead)
ClutchLast 48 vs 40 matches
Break points saved66%69% (ahead)

When it starts

CENTER COURT · After 1 match · Followed by

Draw

Odds

Freshness

Last 7 & 14 days
Zhou Y.Delaney J.
1Days since last match1
4Matches · 7 days1 — fresher
92Games · 7 days30 — fresher
5Matches · 14 days2 — fresher
108Games · 14 days53 — fresher
Green marks the fresher player.

Cite this

Umpiry, "Yi Zhou vs Jake Delaney — Ningboo Round of 16", https://umpiry.com/match/2026-10-29/delaney-vs-zhou-ningboo-r16?utm_source=cite (as of 29 October 2026).