Challenger · ELO ESTIMATE · 2026-09-29
● CLAY

A. Guerrieri vs A. Holmgren — prediction

Porto
Result pending
GUERRIERIWIN PROBABILITYHOLMGREN
69%
Elo prob.
@1.72
odds · 58% impl.
⚔H2H 1–0 Guerrieri⏱Rest 5d vs 1d🎾Serve 61%📈Form 6/10
CONDITIONS OF THE MATCH◆ in the model◇ context
Surface◆
Clay

Slow court, high bounce: longer points, rewards whoever holds up from the baseline.

Temperature◇
23°C

Mild: neutral conditions.

Humidity◇
64%

Humid air: the ball loses some speed.

Wind◇
24 km/h

Some wind: makes baseline control harder.

Surface feeds the model (surface specialization is one of its factors). Weather and altitude are context we publish for you — they do NOT move the probability.

WHAT THE ESTIMATE IS BASED ON

›Tour Elo: 1880 vs 1744 — favorite by rating

›Challenger tier · 290 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.
@1.46
fair odds
+18.1%
expected value
BREAKDOWN · ELO ESTIMATE

The model makes A. Guerrieri the favorite with a 69% win probability, against A. Holmgren's 31% — a solid favorite, though Holmgren keeps real chances. Converted to odds, that probability is worth about @1.46; the offered odds are around @1.72 (a 58% implied), slightly above the market, so the model is a touch more optimistic.

Several factors explain the number: 1880 vs 1744 — favorite by rating; challenger tier · 290 matches in the favorite's track record; these are softer, less-analyzed markets.

Read it with caution. This number does NOT come from the ATP factor model, but from the tour's real Elo: it ranks who is the favorite well, but it is a coarser estimate. Being the favorite is not being the winner: roughly 31 out of every 100 times Holmgren wins. And above all, in Challenger/ITF the value edge is not proven live, so treat it as a reference, not an opportunity. Watch out for: Soft market: the value edge in Challenger/ITF is NOT proven live — treat it as an estimate, not an opportunity.. This is informational analysis, not a betting recommendation. 18+ · play responsibly.

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