Rio Brazil Clay Atp 500 Round of 16

Joao Fonseca vs Ignacio Buse: AI Prediction | Games, Spread, Aces & Double Faults

Joao Fonseca

Rank: #33
67%
VS

Ignacio Buse

Rank: #96
33%
Expected Total Games: 23.1
Predicted Winner: Joao Fonseca

Also available in Claude. Query these predictions in plain language — our native connector lets Claude call our models on demand, no code.

Set it up

Player Metrics

Joao Fonseca

Form Index: 35.6
ELO Rating: 1312.3
Glicko2 Rating: 1552.0
Current Fatigue (minutes): 94.0
Surface Strength:
Hard: 9.5
Clay: 11.2
Grass: 11.8
Serve Rating: 64.7
Return Rating: 54.6

Ignacio Buse

Form Index: 57.7
ELO Rating: 637.0
Glicko2 Rating: 1530.2
Current Fatigue (minutes): 162.0
Surface Strength:
Hard: 4.7
Clay: 6.0
Grass: 5.3
Serve Rating: 96.0
Return Rating: 90.4

Recent Matches

Joao Fonseca

Ignacio Buse

  • Last Match: vs Igor Marcondes (2-1) clay Rio 162 min
  • 2nd Last Match: vs Sebastian Baez (0-2) clay Buenos Aires 83 min
  • 3rd Last Match: vs Francesco Passaro (2-1) clay Buenos Aires 154 min
  • 4th Last Match: vs Arthur Fery (0-2) hard Stockholm 67 min
  • 5th Last Match: vs Ben Shelton (0-3) hard Us Open 174 min

Head-to-Head (Last 2 Seasons)

0
Joao Fonseca
vs
0
Ignacio Buse
Hard
0 - 0
Clay
0 - 0
Grass
0 - 0

Key Prediction Insights

This round-of-16 clay match in Rio, a 500-level event in Brazil, pits Joao Fonseca against Ignacio Buse. The model favors Joao Fonseca to win (67.19% vs. 32.81%) with a predicted total of about 23.13 games in the match.

Match Analysis

Fonseca enters with the clear rankings and Elo advantage (Rank 33 and Elo 1312.27) compared with Buse (Rank 96, Elo 636.98). Fonseca’s form index is lower (35.61) than Buse’s (57.70), but Fonseca has spent less time on court in this event (94 minutes cumulative vs. Buse’s 162), so fatigue favors Fonseca. Surface strength is modest for both on clay; Fonseca’s surface index (11.17) is higher than Buse’s (6.03), giving him a slight edge adapting to the slower, higher-bouncing courts. Serve/return profiles show a big gap: Buse’s mean serve index (95.98) notably exceeds Fonseca’s (64.72), and Buse’s mean return index (90.39) is also much higher than Fonseca’s (54.55). These differences (>5 points) suggest Buse can both hold serve powerfully and generate pressure on return games when fresh. Recent form: Fonseca beat Thiago Monteiro in Rio (straight sets) but lost earlier matches in Buenos Aires and the Australian Open; his last three results are one win and two losses. Buse has two wins and one loss across his last three matches, including a marathon 162-minute win in Rio that contributes to his higher fatigue total.

Total Games Predictions

🎾
Expected Total Games in Match 23.1 Most likely outcome: 23 games

📊 Total Games Probability Distribution

Distribution

Probability of each total games outcome

Probability distribution chart for total games in Joao Fonseca versus Ignacio Buse. 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 Joao Fonseca versus Ignacio Buse. The curve rises from 0% to 100%, showing the cumulative probability for each games total threshold.

Games Spread Predictions

📈
Expected Games Spread (Joao Fonseca - Ignacio Buse) +1.1 Most likely spread: +1 (Joao Fonseca wins 1 more games)

📊 Games Spread Probability Distribution

Distribution

Probability of each games spread outcome

Probability distribution chart for games spread in Joao Fonseca versus Ignacio Buse. Positive values indicate Joao Fonseca winning more games, negative values indicate Ignacio Buse winning more games.
Cumulative Probability (CDF)

Probability of spread ≤ X

Cumulative distribution function chart for games spread in Joao Fonseca versus Ignacio Buse. The curve shows the cumulative probability for each spread threshold.

Aces and Double Faults Predictions

The aces prediction for the match is 13.22 total, and the predicted aces are likely to be skewed toward Buse given his substantially higher serve index. On clay, however, slower ball speed and higher bounce usually reduce ace counts, so the raw ace advantage may be blunted. The double faults prediction and expected double faults is 4.4 for the match; longer rallies and accumulated fatigue — particularly for Buse after longer recent matches — increase the risk of double faults.
🎯
Expected Total Aces 13.2 Most likely: 13 aces
Expected Total Double Faults 4.4 Most likely: 4 double faults

🎯 Aces Probability Distribution

Distribution

Probability of each ace count outcome

Probability distribution chart for total aces in Joao Fonseca versus Ignacio Buse. 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 Joao Fonseca versus Ignacio Buse. 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 Joao Fonseca versus Ignacio Buse. 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 Joao Fonseca versus Ignacio Buse. The curve shows the cumulative probability for each double faults threshold.

Final Prediction

Fonseca’s superior ranking, Elo and fresher legs give him the projected edge despite Buse’s strong serve and return metrics. The key factor to watch will be whether Buse’s serving power can overcome his fatigue and Fonseca’s ability to neutralize it on clay.

Get Daily Tennis Predictions

Enjoyed this analysis? Subscribe to our Telegram channel and receive daily AI-driven tennis predictions directly on your phone.

Join Our Telegram Channel