Jerome Kym vs Stefanos Tsitsipas — Gstaad Round of 16
SUIWC
Kym J.
Jerome Kym faces Stefanos Tsitsipas in the Gstaad round of 16 on clay. Stefanos Tsitsipas is the paper favourite — ranked #85, a roughly 310-point clay Elo advantage — but Jerome Kym arrives in form, winning 4 of their last 5 on clay to Stefanos Tsitsipas's 3.
Win Probability
Pre-match · updated 19:20 UTC50–58%
58–67%
67–80%
80%+
Clear favourite · Tsitsipas S. clearly ahead, but no certainty
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Jerome Kym comes in with 3 days of rest and 94 games in 14d, vs Stefanos Tsitsipas's 13 and 27.
- Under pressure: In the tight moments, Stefanos Tsitsipas has rated higher under pressure (Clutch Rating 89 vs 36).
- Surface form: Jerome Kym 4 of 5, Stefanos Tsitsipas 3 of 5 on clay recently — Jerome Kym the sharper of late.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Form trajectory
Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About
Statistics
This seasonAverages over each player's completed matches in the selected window (13 vs 22). ATP, WTA & Challenger.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Serve & return on clay
Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About
Freshness
Recent loadKym J.: 3 days rest · 3 matches, 72 games (7d) · Tsitsipas S.: 13 days rest · 1 match (14d). Higher means fresher. About
When it starts
4th on Court 1 · not before Not Before 17:30 · 3 matches still to finish ahead
- 1Collignon R. v Sonego L.
- 2Rinderknech A. v Tabur C.
- 3Hanfmann Y. v Vacherot V.
- 4Kym J. v Tsitsipas S.This match
Conditions
Head to head
No previous meetings on record.