ITF · ELO ESTIMATE · 2026-07-21

Ja. Delaney vs D. Sumizawaprediction

M15 Brisbane
✓ Correct
DELANEYWIN PROBABILITYSUMIZAWA
74%
Elo prob.
@1.04
odds · 96% impl.
🎾Serve 53%📈Form 5/10
WHAT THE ESTIMATE IS BASED ON

Tour Elo: 1615 vs 1432 — favorite by rating

ITF tier · 404 matches in the favorite's track record

Elo estimate (not the ATP factor model): these are softer, less-analyzed markets

WATCH FOR

!Soft market: the value edge in Challenger/ITF is NOT proven live — treat it as an estimate, not an opportunity.

Tour Elo estimate (Challenger/ITF markets, not covered by the factor model). The value edge here is unproven live — it's a reference, not a recommendation. 18+ · gamble responsibly.
@1.35
fair odds
−22.8%
expected value
HOW EACH FACTOR MATTERS
Level (Elo/ranking)▸ Delaney●●●
Elo gap (1615 vs 1432) gives Delaney a 74% model probability, a clear rating edge over Sumizawa.
Rest▸ Sumizawa●●●
Delaney has just 2 days' rest and 5 matches in 7 days versus a rested opponent (56 days) — real fatigue risk over a 3-set format.
Form▸ Sumizawa●●
Delaney's last10 (LLWLLWWWWL) shows a current 1-match losing streak, suggesting some recent inconsistency.
Serve/return= Even
Delaney's own numbers (53% serve, 43% return) are unremarkable; no comparable data exists for Sumizawa to judge the matchup.
RATING EDGE

The Elo model favors Delaney clearly, 1615 to 1432, translating into a 74% win probability. This is a soft ITF-level estimate rather than a hard market signal, but it does reflect a real quality gap built from a much larger track record (404 matches) than his opponent's visible profile.

Still, this edge is a baseline read, not a guarantee: Elo at this tier is less reliable than tour-level models, and the gap says more about long-term level than about Delaney's condition heading into this specific match.

FATIGUE AND SCHEDULE

The rest disparity is significant: Delaney is playing on 2 days' rest after 5 matches in the last 7 days, including a final at M25 Brisbane just two days ago. Sumizawa, by contrast, arrives with 56 days off. Even in a lower-tier draw, this kind of workload can blunt movement and serve consistency in a tight match.

This context flag works against Delaney independent of his rating advantage — physical freshness is not captured in Elo, and heavy recent play is a legitimate drag on performance, especially in best-of-three where quick recovery matters most.

RECENT FORM

Delaney's last10 log (LLWLLWWWWL) ends on a loss and carries a current one-match losing streak. It is not a collapse, but it does undercut the idea that he is playing at peak level right now, adding a small layer of uncertainty on top of the schedule congestion.

VALUE READ

At odds of 1.04, the market prices Delaney at roughly 96% to win, while the model — already generous at 74% — implies real, non-trivial risk from an implied-probability standpoint. The expected value here is -22.8%, meaning the price is asking bettors to absorb far more certainty than the data, form, and rest situation actually support.

This is a case where being the favorite does not equal being a value bet. Given the fatigue and recent form signals working against Delaney, and a soft Elo model that shouldn't be treated as sharper than the market, there is no evidence of an edge at this price — only a short-priced favorite carrying real risk factors.

Impact and analysis from real match data (Elo, form, head-to-head, rest, surface vs baseline, weather, altitude). Soft-market estimate: the value is unproven live. 18+ · gamble responsibly.

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