ATP · Rank #225

Thiago Monteiro

32yrs 1.83 m 78 kg Left #61Peak Rank

62%Accuracy

Matches Analyzed

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Challenger Genoa 2 Italy Clay Challenger Genoa 2 Italy (Clay) 1

2 ▾1.3

2 ▾1.3

Challenger Szczecin Poland Clay Challenger Szczecin Poland (Clay) 5

1 ▾1.87

O19.5 ▾1.3

2 ▾1.68

O20.5 ▾1.45

1 ▾1.8

O20.5 1.52

1 ▾2.02

O20.5 ▾1.49

2 ▴1.95

O21.5 1.57

Challenger Tulln Austria Clay Challenger Tulln Austria (Clay) 2

2 ▴1.39

2 ▴1.39

1 ▾2.05

O20.5 1.47

Challenger Porto Portugal Clay Challenger Porto Portugal (Clay) 3

1 ▴1.62

1 ▴1.62

2 ▾1.31

2 ▾1.31

1 ▾1.81

1 ▾1.81

Challenger Hagen Germany Clay Challenger Hagen Germany (Clay) 3

O20.5 1.42

2 3.35

2 3.35

1 1.12

2:0 ▾1.35

Challenger San Marino San Marino Clay Challenger San Marino San Marino (Clay) 5

1 ▾1.67

1 ▾1.67

2 ▾1.52

2 ▾1.52

2 2.62

O19.5 ▾1.43

1 ▾1.18

1 ▾1.18

1 ▾1.03

1 ▾1.03

Challenger Zug Switzerland Clay Challenger Zug Switzerland (Clay) 1

2 ▾1.36

2 ▾1.36

Record by surface

Hard

3-0

Clay

30-16

Overall 33-16

Our AI on this player 31 correct of 50

From the matches in our database

Most-played opponents

Adolfo Daniel Vallejo 4 meetings 2-2 Franco Agamenone 2 meetings 2-0 Diego Dedura-Palomero 2 meetings 2-0 Mika Petković 2 meetings 1-1

About Thiago Monteiro

Thiago Monteiro is a 32-year-old left-handed professional tennis player, currently ranked world No. 225. That is below a career-high of world No. 61. Over the last 52 weeks the serve has landed 65% of first deliveries, winning 71.1% of those points. Against serve the numbers sit mid-table — 37.1% of points won, 23% of break chances taken. The record is spread evenly across surfaces — Hard 3-0, Clay 30-16.

Results keep swinging: 3 up and 2 down across the last 5. The longest match we have on record ran to 36 games, against V. Sachko. More of the matches we cover came at Challenger Szczecin Poland than anywhere else — 5 of them. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at Challenger Genoa 2 Italy.

Serve & Return

First Serve %

65.3%

1st Serve Won

71.2%

2nd Serve Won

52.9%

Aces / Match

3.3

Double Faults / Match

1.9

Break Pts Saved

54.7%

Break Pts Converted

21.8%

Return Pts Won

36.6%

Service Hold %

64.8%

Total Pts Won

50.6%

Records Last 12 months

Titles

Finals

Semis or better

Events played

Tournament Results

Brasilia, Brazil Challenger Semi-Finals Santiago, Chile Challenger Semi-Finals Porto, Portugal Challenger Quarter-Finals San Marino, San Marino Challenger Quarter-Finals Istanbul, Türkiye Challenger Quarter-Finals Itajai, Brazil Men Singles Challenger Quarter-Finals Tulln, Austria Challenger Round of 16 Curitiba, Brazil Challenger Round of 16

Lisbon, Portugal Challenger Round of 16

Concepcion, Chile Challenger Round of 16 Sao Paulo, Brazil Men Singles Challenger Round of 16 Rio de Janeiro ATP Round of 32 Rosario, Argentina Challenger Round of 32

Braga, Portugal Challenger Round of 32

Costa do Sauipe, Brazil Challenger Round of 32 Hagen, Germany Challenger Round of 32 Zagreb, Croatia Challenger Round of 32 Zug, Switzerland Challenger Round of 32 Buenos Aires ATP Qualifying Gstaad ATP Qualifying Santiago ATP Qualifying

Deepest runs first, not by date

Season by season

2026

2026so far

30–15

Won-lost

Matches

11–8

Tiebreaks

4.3

Aces / Match

2.1

Double Faults / Match

First Serve % 64.7%

1st Serve Won 71.4%

2nd Serve Won 52.1%

Break points won 42.3%

Break Pts Saved 63.1%

2025

24–27

Won-lost

Matches

18–6

Tiebreaks

Aces / Match

2.7

Double Faults / Match

First Serve % 64.1%

1st Serve Won 72%

2nd Serve Won 48.3%

Break points won 34.4%

Break Pts Saved 59.7%

2024

36–26

Won-lost

Matches

11–15

Tiebreaks

4.6

Aces / Match

2.2

Double Faults / Match

First Serve % 65%

1st Serve Won 74.5%

2nd Serve Won 56.7%

Break points won 41.3%

Break Pts Saved 65.1%

2023

7–16

Won-lost

Matches

8–9

Tiebreaks

7.3

Aces / Match

2.6

Double Faults / Match

First Serve % 64.4%

1st Serve Won 72.3%

2nd Serve Won 54.6%

Break points won 32.3%

Break Pts Saved 62.7%

Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.

Frequently Asked Questions

How accurate are the AI predictions for Thiago Monteiro?

Our model has graded 50 matches involving Thiago Monteiro and got 31 right — a hit rate of 62%. The 20 most recent are listed below, each with the pick we made and how it finished.

Who has Thiago Monteiro played most often?

Of the matches we cover, Thiago Monteiro has met Adolfo Daniel Vallejo most often — 4 times, with a 2-2 record.