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Challenger · ELO ESTIMATE · 2026-08-09
CLAY

P. Nesterov vs G. Pirainoprediction

Plovdiv 2 (Bulgaria)
✗ Missed
NESTEROVWIN PROBABILITYPIRAINO
65%
Elo prob.
@1.58
odds · 63% impl.
H2H 0–1 Nesterov🎾Serve 62%📈Form 9/10 · 9✓
CONDITIONS OF THE MATCHin the modelcontext
Surface
Clay

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

Surface feeds the model — surface specialization is one of its factors.

WHAT THE ESTIMATE IS BASED ON

Tour Elo: 1832 vs 1727 — favorite by rating

Challenger tier · 284 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.
@1.55
fair odds
+2.0%
expected value
BREAKDOWN · ELO ESTIMATE

The model makes P. Nesterov the favorite with a 65% win probability, against G. Piraino's 35% — a solid favorite, though Piraino keeps real chances. Converted to odds, that probability is worth about @1.55; the offered odds are around @1.58 (a 63% implied), virtually the same as what the market prices in.

Several factors explain the number: 1832 vs 1727 — favorite by rating; challenger tier · 284 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 35 out of every 100 times Piraino 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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