Hamburg Germany Clay Atp 500 Round of 32

Daniel Altmaier vs Rinky Hijikata: AI Prediction | Games, Spread, Aces & Double Faults

Daniel Altmaier

Rank: #64
48%
VS

Rinky Hijikata

Rank: #96
52%
Expected Total Games: 26.4
Predicted Winner: Rinky Hijikata

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Ranking Trends

Daniel Altmaier

  • Current #64 2026-05-04
  • 3 mo ago #54 2026-02-16
  • 6 mo ago #46 2025-11-17
  • 9 mo ago #56 2025-08-18
  • 12 mo ago #66 2025-05-19

Rinky Hijikata

  • Current #96 2026-05-04
  • 3 mo ago #113 2026-02-16
  • 6 mo ago #127 2025-11-17
  • 9 mo ago #96 2025-08-18
  • 12 mo ago #79 2025-05-19

Player Metrics

Daniel Altmaier

Form Index: 28.3
ELO Rating: 1496.1
Glicko2 Rating: 1466.7
Current Fatigue (minutes): 0.0
Surface Strength:
Hard: 12.6
Clay: 18.1
Grass: 11.2
Serve Rating: 96.1
Return Rating: 92.7

Rinky Hijikata

Form Index: 50.1
ELO Rating: 1640.8
Glicko2 Rating: 1687.0
Current Fatigue (minutes): 142.0
Surface Strength:
Hard: 27.1
Clay: 4.9
Grass: 9.0
Serve Rating: 95.1
Return Rating: 87.9

Recent Matches

Daniel Altmaier
❌ ✅ ❌ ❌ ✅

Rinky Hijikata
✅ ❌ ✅ ❌ ❌

  • Last Match: ✅ vs Taro Daniel (2-1) clay Hamburg 142 min
  • 2nd Last Match: ❌ vs Nikoloz Basilashvili (0-2) clay Rome 74 min
  • 3rd Last Match: ✅ vs Pierluigi Basile (2-1) clay Rome 175 min
  • 4th Last Match: ❌ vs Chris Rodesch (0-2) clay Madrid 72 min
  • 5th Last Match: ❌ vs Frances Tiafoe (1-2) clay Houston 148 min

Head-to-Head (Last 2 Seasons)

0
Daniel Altmaier
vs
0
Rinky Hijikata
Hard
0 - 0
Clay
0 - 0
Grass
0 - 0

Key Prediction Insights

Hamburg, round of 32 on clay at an ATP 500 event sets up an intriguing contrast between Germany’s Daniel Altmaier and Australia’s Rinky Hijikata. The model gives Hijikata the narrow edge: 52.02% to win versus Altmaier’s 47.98%, with a predicted total of 26.41 games for the match.

Match Analysis

Altmaier arrives as the higher-ranked player (No. 64) with a strong clay pedigree reflected in a surface strength index of 18.06 and an impressive return index (92.70). His form index is modest at 28.27 and his Elo sits at 1496.13. He’s fresh for this match with no minutes of fatigue recorded in the tournament so far. Recent results on clay show two losses (to Zverev and Cerundolo) and a win over Zhizhen Zhang, suggesting flashes of quality but inconsistency. Hijikata, ranked 96, counters with a markedly higher Elo (1640.83) and a considerably better form index (50.07), but his surface strength index is low at 4.89. He carries 142 minutes of fatigue from Hamburg, having prevailed in a long opening match versus Taro Daniel. His serving profile is similar to Altmaier’s (serve indices are close), and his return index is slightly lower (87.92). Over his past three clay outings he has two wins and a loss, including the recent hard-fought victory at this venue, which likely contributes to the forecasted edge.

Total Games Predictions

🎾
Expected Total Games in Match 26.4 Most likely outcome: 26 games

📊 Total Games Probability Distribution

Distribution

Probability of each total games outcome

Cumulative Probability (CDF)

Probability of total games ≤ X

Games Spread Predictions

📈
Expected Games Spread (Daniel Altmaier - Rinky Hijikata) -0.1 Most likely spread: -1 (Rinky Hijikata wins 1 more games)

📊 Games Spread Probability Distribution

Distribution

Probability of each games spread outcome

Cumulative Probability (CDF)

Probability of spread ≤ X

Aces and Double Faults Predictions

The aces prediction for this clay match is modest: a predicted aces total of 9.19. Expected double faults are 4.21. Clay’s slower, higher-bouncing characteristics generally suppress serve speed and reduce free points, lowering predicted aces while match wear can raise the expected double faults. Neither player exhibits a significantly higher serve rating that would push the predicted aces substantially upward, though Hijikata’s accumulated fatigue could nudge the expected double faults higher.
🎯
Expected Total Aces 9.2 Most likely: 9 aces
❌
Expected Total Double Faults 4.2 Most likely: 4 double faults

🎯 Aces Probability Distribution

Distribution

Probability of each ace count outcome

Cumulative Probability (CDF)

Probability of aces ≤ X

❌ Double Faults Probability Distribution

Distribution

Probability of each double fault count outcome

Cumulative Probability (CDF)

Probability of double faults ≤ X

🎯 Match Format Predictions

Tiebreak Likelihood

Probability that any tiebreak is played in this match

41.2% Predicted: No tiebreak

Exact Score Distribution BO3

Probability of each set-by-set outcome (Daniel Altmaier's perspective)

2-0 Most likely set score (34.0%)
New to probability charts? Learn how to interpret distribution and CDF curves

Final Prediction

Hijikata’s higher Elo and superior recent form give him the fractional advantage despite his low clay metric and accumulated minutes. The match will likely hinge on whether Hijikata’s match fitness holds up versus Altmaier’s superior clay comfort and return game—those factors are the key to watch.

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