MODEL PREDICTION · 2026-07-31
HARD

A. De Minaur vs B. Nakashimaprediction

Washington
✗ Missed
MINAURWIN PROBABILITYNAKASHIMA
70%
model prob.
@1.55
odds · 65% impl.
H2H 1–2 Minaur🎾Serve 65%📈Form 7/10 · 2✓
CONDITIONS OF THE MATCHin the modelcontext
Surface
Hard

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

Temperature
32°C

Strong heat: warm air speeds the ball up and physical wear tells in long matches.

Humidity
35%

Dry air: the ball travels normally.

Wind
6 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.

OUR MODEL'S REASONING

Ranking: #6 vs #31 (better ranked)

Head-to-head: 1-2 against

Model 70% vs market 65% → the model sees it as MORE likely than the odds

Recent form: 7/10 in recent matches

On a streak: 2 wins in a row

WATCH FOR

!Unfavorable head-to-head record (1-2)

Calibrated model probability (~65% out-of-sample accuracy). Not a guarantee: the model ≈ the market on average, so the odds already capture almost all the edge. 18+ · gamble responsibly.
@1.42
fair odds
+9.2%
expected value
HOW EACH FACTOR MATTERS
Level (Elo/ranking)▸ Minaur●●●
De Minaur's 2054 Elo, #6 ranking and 67% baseline all top Nakashima's 1889 Elo, #31 ranking and 53% baseline.
Serve/return▸ Minaur●●●
De Minaur's 44% return offsets Nakashima's 69% serve; his 8-point return edge over Nakashima's 36% outweighs Nakashima's 4-point serve edge.
Weather▸ Nakashima
Heat (31°C, dry, low wind) speeds up the ball, mildly rewarding Nakashima's higher 69% serve rate over De Minaur's 65%.
Head-to-head▸ Nakashima●●
Nakashima leads 2-1 overall and won the most recent 2026 meeting, tempering the ranking gap's implications.
Form▸ Minaur●●
De Minaur is on a 2-match win streak with a quality win over Tsitsipas (Elo 1939); Nakashima is on a 1-match losing streak.
Rest▸ Minaur●●
Both played one day ago, but Nakashima logged 4 matches in 14 days versus De Minaur's 2, adding fatigue risk for Nakashima.
CLASS GAP

De Minaur's Elo rating of 2054 significantly outpaces Nakashima's 1889, a gap reinforced by the ranking gulf (#6 vs #31) and the baseline model's split of 67% to 53%. Three independent measures — form-adjusted rating, ATP ranking, and long-run baseline win rate — all point the same direction: De Minaur is the structurally stronger player entering this match, not just on one metric.

SERVE-RETURN DYNAMICS

The raw service numbers actually favor Nakashima at first glance: he wins 69% of his service points against De Minaur's 65%, a 4-point edge. But De Minaur's return game is the more decisive separator — he wins 44% of return points versus Nakashima's 36%, an 8-point advantage that more than cancels out Nakashima's serving edge. Practically, this means De Minaur is more likely to generate break chances than Nakashima can, tilting the balance of service games toward him despite Nakashima's raw serve advantage.

The heat (31°C, dry, light 6 km/h wind) speeds up the ball and tends to reward the cleaner server. With Nakashima's serve percentage the higher of the two, conditions offer him a marginal boost on his own service games — though not enough on the numbers to overturn De Minaur's broader return edge.

FORM, REST, HISTORY

De Minaur arrives on a two-match winning streak (7-3 in his last 10, including a win over Tsitsipas at Elo 1939), while Nakashima is on a one-match losing streak despite an identical 7-3 last-10 mark and a notable win over Mensik (Elo 1992). Schedule load adds another wrinkle: although both players last competed one day ago, Nakashima has played four matches in the past 14 days against De Minaur's two, a workload gap that can compound fatigue as the match wears on.

History cuts the other way — Nakashima leads the head-to-head 2-1, including the most recent 2026 meeting. That record is a real caution against over-reading the ranking and Elo gap, since Nakashima has beaten De Minaur before and recently.

VALUE READ

The model sets De Minaur at 70% to win against a market-implied 64% (odds of 1.56), producing a modeled edge of +9.9%. This is a live ATP tour-level match rather than a thinner Challenger/ITF market, so the gap carries somewhat more weight — but it remains a probabilistic edge, not a certainty.

Nakashima's superior raw serve number, his 2-1 head-to-head lead, and the added workload disparity are all concrete reasons the match could go either way. Treat this as a moderate value opportunity on the numbers, not a guaranteed outcome.

Impact and analysis from real match data (Elo, form, head-to-head, rest, surface vs baseline, weather, altitude). The model ≈ the market on average; the odds already capture almost all the edge. 18+ · gamble responsibly.

Analyze today's matches →