ATP · ELO ESTIMATE · 2026-08-24
HARD

S. Napolitano vs M. McDonaldprediction

✗ Missed
NAPOLITANOWIN PROBABILITYMCDONALD
53%
Elo prob.
@4.33
odds · 23% impl.
Rest 7d vs 4d🎾Serve 59%📈Form 5/10 · 3✗
CONDITIONS OF THE MATCHin the modelcontext
Surface
Hard

Consistent bounce, medium-fast: neutral conditions, no style favored.

Temperature
27°C

Warm: the ball flies a little more and fitness counts.

Humidity
42%

Dry air: the ball travels normally.

Wind
16 km/h

Light wind: no noticeable effect.

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: 1757 vs 1736 — favorite by rating

ATP qualifying / early round · 249 matches in the favorite's track record

Elo estimate (not the ATP factor model): qualifying draws have no clean main-tour history

WATCH FOR

!Qualifying/soft context: Elo estimate only — read the round context (already-through, lucky loser, dead rubber) from the dossier; it is not a proven edge.

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.
@1.88
fair odds
+129.9%
expected value
BREAKDOWN · ELO ESTIMATE

The model makes S. Napolitano the favorite with a 53% win probability, against M. McDonald's 47% — a tight match, without a wide margin. Converted to odds, that probability is worth about @1.88; the offered odds are around @4.33 (a 23% implied), slightly above the market, so the model is a touch more optimistic.

Several factors explain the number: 1757 vs 1736 — favorite by rating; atp qualifying / early round · 249 matches in the favorite's track record; qualifying draws have no clean main-tour history.

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 47 out of every 100 times McDonald 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: Qualifying/soft context: Elo estimate only — read the round context (already-through, lucky loser, dead rubber) from the dossier; it is not a proven edge.. This is informational analysis, not a betting recommendation. 18+ · play responsibly.

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