ATP · ELO ESTIMATE · 2026-07-14
CLAY

J. Kym vs D. Dietrichprediction

Gstaad
KYMWIN PROBABILITYDIETRICH
66%
Elo prob.
@1.60
odds · 63% impl.
H2H 1–0 KymRest 3d vs 2d🎾Serve 65%📈Form 6/10
CONDITIONS OF THE MATCHin the modelcontext
Surface
Clay

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

Temperature
29°C

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

Humidity
32%

Very dry air: the ball travels faster.

Wind
15 km/h

Light wind: no noticeable effect.

Altitude
1050 m

High altitude: thin air, faster ball and longer bounce.

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: 1837 vs 1722 — favorite by rating

ATP qualifying / early round · 232 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.
@1.52
fair odds
+5.6%
expected value
HOW EACH FACTOR MATTERS
Level (Elo/ranking)▸ Kym●●●
115-point Elo gap (1837 vs 1722) gives Kym a clear rating edge, though from a soft, unproven Challenger-style model.
Serve/return▸ Dietrich
Dietrich edges both service (68% vs 66%) and return (38% vs 37%) points won, suggesting sharper ball-striking overall.
Form▸ Dietrich●●
Dietrich rides a 2-match win streak while Kym is on a 1-match skid, tilting momentum toward the opponent.
Rest▸ Kym●●
Dietrich played the Gstaad final just 2 days ago versus Kym's 3-day gap since his Iasi semifinal - less recovery.
Altitude▸ Dietrich
At 1050m, thinner air speeds up serves, a marginal plus given Dietrich's slightly higher current serve rate (68%).
Head-to-head▸ Kym
Kym won their only prior meeting (2023, ITF level), a small favorable data point given just one match.
RATING GAP

J. Kym's Elo rating of 1837 sits 115 points above D. Dietrich's 1722, translating into the model's 66% win probability. This is a real quality gap by rating, though it's built on a soft Challenger/ITF-style Elo model rather than full ATP main-tour history, so the edge should be read as indicative, not proven.

SERVE AND ALTITUDE

Statistically, Dietrich actually holds a slight edge on both sides of the ball: 68% service points won versus Kym's 66%, and 38% on return against Kym's 37%. At 1050 meters, thinner air speeds up the ball and generally rewards the stronger server - a small conditions boost that, on these numbers, tilts marginally toward Dietrich rather than the favorite.

Warm (29°C), dry (33% humidity) conditions reinforce faster, livelier play, again a marginal plus for the serve-oriented game rather than a grinding rally style.

FORM AND FATIGUE

Recent form leans toward Dietrich, who arrives on a 2-match win streak (WWLWWWLLWW) compared to Kym's current 1-match losing skid (LWLWWLWWWL) capping a mixed run.

Both players carry deep-run fatigue flags: Kym reached the semifinals in Iasi just 3 days ago, while Dietrich played the Gstaad final only 2 days ago - meaning the opponent has had less recovery time after a longer, more physically taxing route through the very tournament being played. That timing works slightly in Kym's favor even as Dietrich's game-form trend runs the other way.

HEAD TO HEAD

The two have met once, in 2023, with Kym winning that ITF-level match. A single prior meeting is too small a sample to carry much predictive weight, but it is a mild positive data point in Kym's favor.

VALUE CHECK

The model rates Kym's win probability at 66%, versus a market-implied 63% from the 1.60 odds, producing a modest +5.6% expected value. That gap is small, and this projection comes from a soft Elo-based model without a proven track record in this qualifying/tour-transition context, so the honest read is that the market and model are already closely aligned.

Favorite status does not guarantee victory: Dietrich's better recent form and slightly sharper current serve/return marks make this match closer in practice than the headline probability suggests.

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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