PortugalPorto - PortugalFinished

Predictions graded

Gustavo Heide #133Brazil2Thiago Moura Monteiro #276Brazil0

Sets 6-4 · 6-3Fri 4 Sept 2026, 11:55 Predictions gradedQuarter-FinalClay

Predictions1–517%

Edges0–10%

Player Profiles

Ranking advantageGustavo Heide · 143 places

Gustavo Heide

Brazil

Reliable current profile details beyond the supplied ranking, playing hand and height were not confirmed. Use the structured form and match statistics as the main context.

Current ranking: #133
Peak ranking: —
Current age: —
Preferred surface: —
Hand: Right handed
Height: 191 cm

Thiago Moura Monteiro

Brazil

Reached a career-high No. 61 in October 2022; the supplied current ranking is No. 276. He is a left-handed baseline player most established on clay, where all 16 of his Challenger finals have been played.

Current ranking: #276
Peak ranking: #61 · 2022
Current age: 32
Preferred surface: Clay
Hand: Left handed
Height: 183 cm

Quick Take

Pre-match view

Context last updated 3 Sep 2026, 03:18 · Europe/Bucharest

Thiago Moura Monteiro is favored over Gustavo Heide based on superior clay form and serve efficiency, with a 62% win probability.

The best betting angle is Monteiro's moneyline at 2.30, offering an 18.5-point edge over the implied probability. Other markets like total games over 21.5 and total aces over 7.5 have low-confidence value.

Context

Monteiro, 32, is a left-handed clay specialist with 464 career clay wins and a current ranking of 280.
Monteiro's 73.3% win rate over his last 15 matches, all on clay, compares favourably with Heide's 70% clay record over 10 matches. Heide's recent hard-court losses do not directly apply here, but Monteiro's consistency on this surface gives him a clear edge.
- Monteiro last 15 overall: 11-4 (73.3%), all matches on clay.
- Heide last 15 on clay: 7-3 (70%), but 0-3 on hard courts in the same window.
- Monteiro's last five matches: 4 wins, 1 loss, all on clay.
Monteiro's first-serve points won is 75.9% and break point conversion is 46.5% over his last 15 matches.
Heide's first-serve points won is 70.1% and break point conversion is 35.5%. Monteiro also averages 2.4 double faults per match compared to Heide's 4.9, giving him a more reliable service game.
- Monteiro first-serve points won: 75.9% vs Heide 70.1%.
- Monteiro break points converted: 46.5% vs Heide 35.5%.
- Monteiro double faults per match: 2.4 vs Heide 4.9.
The two Brazilians met once before, in October 2023 on clay.
Monteiro won 6-3, 1-0 ret. That result is old and Heide's retirement limits its value, but it gives Monteiro a slight psychological edge in a matchup of similar styles.
- 2023-10-03: Monteiro def. Heide 6-3, 1-0 ret. on clay.

BetBugs edges

Compare BetBugs' chances with the market's.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 2.30
The read
Monteiro's stronger recent clay form and serve efficiency give him the edge over Heide.
- Monteiro last 15 on clay: 11-4 record, 56.2% games won, 52.9% total points won
- Heide last 15 on clay: 7-3 record, 51.9% games won, 51.1% total points won
- Monteiro first serve points won 75.9% vs Heide 70.1% on clay
- H2H: Monteiro won their only meeting 6-3 1-0 ret. on clay in 2023
BetBugs · Match WinnerlostThiago Moura MonteiroEstimated chance62%

Games1 of 2 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Competitive clay match with both players holding serve reasonably well suggests a longer total.
- Heide last 15 clay average 21.0 games per match
- Monteiro last 15 clay average 24.3 games per match
- Both players have similar return points won percentages around 37-39%
BetBugs · Total GameslostOver 21.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players' strong serving on clay makes a tight first set likely.
- Heide last 15 clay first set average 9.8 games
- Monteiro last 15 clay first set average 10.1 games
- Both players have first serve points won above 70% on clay
BetBugs · Set 1 Total GameswonOver 9.5Estimated chance52%

Sets0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Monteiro's superior first-serve performance on clay should help him take the opening set.
- Monteiro first set win conversion career 81% vs Heide 88%
- Monteiro last 15 clay first serve points won 75.9%
- Heide last 15 clay first serve points won 70.1%
BetBugs · Set 1 WinnerlostThiago Moura MonteiroEstimated chance60%

Match stats0 of 0 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Monteiro's ace rate combined with Heide's moderate ace count pushes the total over the line.
- Monteiro last 15 clay aces per match 4.9
- Heide last 15 clay aces per match 2.5
- Combined average aces per match 7.4
BetBugs · Total Acesnot gradableOver 7.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Heide's high double fault rate on clay drives the combined total over the line.
- Heide last 15 clay double faults per match 4.5
- Monteiro last 15 clay double faults per match 2.4
- Combined average double faults per match 6.9
BetBugs · Total Double Faultsnot gradableOver 6.5Estimated chance55%

Head-to-Head

0-1 (1 meetings)

L6-3 1-0 ret.Gustavo Heide#128vThiago Moura Monteiro#280Oct 3, 2023

1 total meetings

Previous match context available

Gustavo Heide

8W 7L

7-5 7-5#355Tiago Pereira 6-4 6-3#762Goncalo Marques

2-6 6-4 6-4#171Joel Schwaerzler

6-3 6-2#267Harold Mayot

6-3 6-4#40Luca Van Assche

6-4 6-2#233Kilian Feldbausch

6-1 6-3#103Titouan Droguet

2-6 7-5 6-3#230Cezar Cretu

6-4 7-6(4)#896David Poljak

6-1 7-5#166Marco Cecchinato

7-6(4) 7-6(5)#333Enrico Dalla Valle

6-0 7-6(7)#235Alex Barrena

6-4 6-1#169Federico Agustin Gomez

6-4 6-3#115Nicolas Mejia

7-6(8) 6-4#221Chun Hsin Tseng

Thiago Moura Monteiro

11W 4L

6-1 4-6 6-2#432Mika Petkovic 6-4 6-2#217Kimmer Coppejans

6-3 6-7(5) 6-4#145Tom Gentzsch

6-2 6-4#374Tommaso Compagnucci

6-7(2) 6-4 6-4#476Ivan Gakhov

7-6(7) 7-6(5)#121Vilius Gaubas

6-3 6-2#129Andrea Pellegrino

7-5 7-5#192David Jorda Sanchis

6-1 6-4#751Manuel Mazza

6-2 6-1—Alberto Bronzetti

7-6(4) 6-3#276Philip Henning

6-3 4-6 7-5#301Petr Nesterov

6-4 6-4—Flynn Thomas

3-6 6-3 6-4#413Dylan Dietrich

7-6(7) 6-7(4) 7-6(8)#286Pierre-Hugues Herbert

Stat Battle

Last 15 match performance, compared side by side.

GHGustavo HeideHeide

Last 15

0–9

9 core stats · 0 even

Thiago Moura MonteiroMonteiroTM

Thiago Moura Monteiro carries the stronger recent form — Gustavo Heide's route runs through return pts won.

Serve · 0–5

1st Serve In58.1%+5.4pp63.5%

1st Serve Won70.1%+5.8pp75.9%

2nd Serve Won50.8%+1.7pp52.5%

Aces / Match3.0+1.94.9

Double Faults / Match4.92.5 fewer2.4

Return · 0–1

Return Pts Won36.8%+0.9pp37.7%

Pressure · 0–2

Break Pts Converted35.5%+11.0pp46.5%

Break Pts Saved64.7%+5.2pp69.9%

Points · 0–1

Total Pts Won49.5%+3.4pp52.9%

Serve · 0–5

58.1%1st Serve In+5.4pp63.5%

70.1%1st Serve Won+5.8pp75.9%

50.8%2nd Serve Won+1.7pp52.5%

3.0Aces / Match+1.94.9

4.9Double Faults / Match2.5 fewer2.4

Return · 0–1

36.8%Return Pts Won+0.9pp37.7%

Pressure · 0–2

35.5%Break Pts Converted+11.0pp46.5%

64.7%Break Pts Saved+5.2pp69.9%

Points · 0–1

49.5%Total Pts Won+3.4pp52.9%