Gstaad Switzerland Clay Atp 250 Round of 16

Jerome Kym vs Stefanos Tsitsipas: AI Prediction | Games, Spread, Aces & Double Faults

Jerome Kym

Rank: #196
25%
VS

Stefanos Tsitsipas

Rank: #85
75%
Expected Total Games: 23.0
Predicted Winner: Stefanos Tsitsipas

Why the Model Favors Stefanos Tsitsipas

The factors that drove this prediction, measured in win-probability points.

Recent form +8.8 Stefanos Tsitsipas
Recent record by level +4.8 Stefanos Tsitsipas
Serve & return game +4.8 Stefanos Tsitsipas
Overall strength +3.9 Stefanos Tsitsipas
Surface fit +3.2 Stefanos Tsitsipas

Starting from an even matchup, these factors move the model to 75% for Stefanos Tsitsipas. Computed with gradient-based attribution on our neural network — not editorial opinion. How to read this →

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Player Metrics

Jerome Kym

Form Index: 60.1
ELO Rating: 1540.8
Glicko2 Rating: 1608.7
Current Fatigue (minutes): 150.0
Surface Strength:
Hard: 23.1
Clay: 7.2
Grass: 8.5
Serve Rating: 95.9
Return Rating: 92.0

Stefanos Tsitsipas

Form Index: 44.9
ELO Rating: 1674.8
Glicko2 Rating: 1688.7
Current Fatigue (minutes): 96.0
Surface Strength:
Hard: 24.9
Clay: 23.8
Grass: 13.7
Serve Rating: 96.0
Return Rating: 85.6

Recent Matches

Jerome Kym

  • Last Match: vs Dylan Dietrich (2-1) clay Gstaad 150 min
  • 2nd Last Match: vs Roman Safiullin (2-3) grass Wimbledon 174 min
  • 3rd Last Match: vs August Holmgren (2-0) grass Wimbledon 174 min
  • 4th Last Match: vs Gonzalo Bueno (2-1) grass Wimbledon 174 min
  • 5th Last Match: vs Tom Gentzsch (0-2) clay Roland Garros 174 min

Stefanos Tsitsipas

  • Last Match: vs Ignacio Buse (2-0) clay Gstaad 96 min
  • 2nd Last Match: vs Novak Djokovic (0-3) grass Wimbledon 174 min
  • 3rd Last Match: vs Hugo Gaston (3-0) grass Wimbledon 174 min
  • 4th Last Match: vs Ignacio Buse (0-2) grass Mallorca 111 min
  • 5th Last Match: vs Matteo Arnaldi (1-3) clay Roland Garros 174 min

Head-to-Head (Last 2 Seasons)

0
Jerome Kym
vs
0
Stefanos Tsitsipas
Hard
0 - 0
Clay
0 - 0
Grass
0 - 0

Key Prediction Insights

Gstaad round of 16 on clay sets up a classic contrast: Swiss Jerome Kym (rank 196) against Stefanos Tsitsipas (rank 85) at an ATP 250 event in Switzerland. The model predicts Tsitsipas to win (74.96%) while Kym’s upset chances sit at 25.04%, with an expected total of about 23.03 games in the match.

Match Analysis

The model’s edge for Tsitsipas comes mainly from recent-form and recent-record-by-level signals (an 8.8 and 4.8 percentage-point swing toward him), supported by serve/return dynamics, overall strength and clay fit. Tsitsipas brings higher objective measures of experience here: a stronger Elo (1674.8 vs 1540.8) and a markedly better clay surface strength index (23.76 vs 7.23), which is important on slow, high-bounce courts. Kym, however, posts the higher proprietary form index (60.13 vs 44.88) and a superior mean return index (91.97 vs 85.59) — a difference greater than five points — suggesting he can apply constant pressure on serve games. Serve ratings are essentially identical (≈95.9 each), so there’s no big serving edge expected. Fatigue and match rhythm also matter: Kym has already clocked 150 minutes in this event (including a 150-minute three-set win), while Tsitsipas has spent 96 minutes, arriving fresher. Over their last three outings Kym has two wins and a tight five-set loss at a major, showing resilience in long matches; Tsitsipas has two comfortable wins at his last events and a straight-sets loss to a top opponent, showing a mix of dominance and a recent tough outing at higher level. Those patterns help explain the model tilting toward Tsitsipas despite Kym’s strong return profile.

Total Games Predictions

🎾
Expected Total Games in Match 23.0 Most likely outcome: 23 games

📊 Total Games Probability Distribution

Distribution

Probability of each total games outcome

Probability distribution chart for total games in Jerome Kym versus Stefanos Tsitsipas. The X-axis shows possible total games values and the Y-axis shows the predicted probability percentage for each outcome.
Cumulative Probability (CDF)

Probability of total games ≤ X

Cumulative distribution function chart for total games in Jerome Kym versus Stefanos Tsitsipas. The curve rises from 0% to 100%, showing the cumulative probability for each games total threshold.

Games Spread Predictions

📈
Expected Games Spread (Jerome Kym - Stefanos Tsitsipas) -3.7 Most likely spread: -4 (Stefanos Tsitsipas wins 4 more games)

📊 Games Spread Probability Distribution

Distribution

Probability of each games spread outcome

Probability distribution chart for games spread in Jerome Kym versus Stefanos Tsitsipas. Positive values indicate Jerome Kym winning more games, negative values indicate Stefanos Tsitsipas winning more games.
Cumulative Probability (CDF)

Probability of spread ≤ X

Cumulative distribution function chart for games spread in Jerome Kym versus Stefanos Tsitsipas. The curve shows the cumulative probability for each spread threshold.

Aces and Double Faults Predictions

The aces prediction for the match is 12.61 total and the double faults prediction is 5.68 expected double faults. On clay, predicted aces are suppressed by the slower bounce and longer rallies, while expected double faults can creep up as players tire. With serve indices nearly identical, neither player is expected to dramatically inflate the predicted aces count.
🎯
Expected Total Aces 12.6 Most likely: 12 aces
Expected Total Double Faults 5.7 Most likely: 5 double faults

🎯 Aces Probability Distribution

Distribution

Probability of each ace count outcome

Probability distribution chart for total aces in Jerome Kym versus Stefanos Tsitsipas. Higher ace counts are more likely on faster surfaces like grass.
Cumulative Probability (CDF)

Probability of aces ≤ X

Cumulative distribution function chart for total aces in Jerome Kym versus Stefanos Tsitsipas. The curve shows the cumulative probability for each aces threshold.

Double Faults Probability Distribution

Distribution

Probability of each double fault count outcome

Probability distribution chart for double faults in Jerome Kym versus Stefanos Tsitsipas. Clay surface matches tend to produce more double faults due to fatigue in longer rallies.
Cumulative Probability (CDF)

Probability of double faults ≤ X

Cumulative distribution function chart for double faults in Jerome Kym versus Stefanos Tsitsipas. The curve shows the cumulative probability for each double faults threshold.

🎯 Match Format Predictions

Tiebreak Likelihood

Probability that any tiebreak is played in this match

47.1% Predicted: No tiebreak

Exact Score Distribution BO3

Probability of each set-by-set outcome (Jerome Kym's perspective)

0-2 Most likely set score (43.9%)
Probability distribution of the final set score from Jerome Kym's perspective. Format: BO3.

Final Prediction

Tsitsipas’ advantage is driven primarily by the model’s recent-form and level-based signals, plus superior overall strength and better clay suitability. Watch Kym’s return game and Tsitsipas’ ability to convert serve holds early — those will decide whether this becomes a tight two-setter or opens the door for an upset.

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