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Head-to-Head

Adolfo Daniel Vallejo vs Thiago MonteiroPrediction, Head-to-Head Results, and Stats

Adolfo Daniel Vallejo

🇵🇾Adolfo Daniel Vallejo

#52 · 22 yrs · R

5
2–2

4 meetings · sets 5–6

Thiago Monteiro

🇧🇷Thiago Monteiro

#235 · 32 yrs · L

33

Adolfo Daniel Vallejo and Thiago Monteiro have met 4 times since 2026; they are level 2–2. Their first meeting came at Itajai Challenger in 2026 on clay. On clay courts they are level 2–2. Across all meetings Vallejo has taken 5 sets to Monteiro's 6. Their most recent meeting: Thiago Monteiro won at Santiago Challenger (2026).

Spread & Straight-Sets Form

Completed best-of-3 matches · Last 12 months

IndicatorDaniel VallejoMonteiro
Wins in straight sets67%56%
Wins a set when losing39%48%
Goes to a deciding set35%45%
Covers −1.5 sets as favorite47%41%
Covers +1.5 sets as underdog77%73%
Tiebreak sets won45%48%
Wins after taking set 191%81%
Wins 2-0 after taking set 172%59%

Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 4 completed meetings ended in straight sets (Daniel Vallejo 0, Monteiro 1).

Style Matchup

Playing styles and historical archetype record

Vallejo

🪃 Counterpuncher

Elite BP conversionStrong return gameDefensive consistencyRally tolerance
vs

Monteiro

🎯 Baseliner

Precise groundstrokesCourt controlPatient constructionConsistent depth

Matchup analysis

The 🎯 Baseliner archetype wins about 54% vs 🪃 Counterpuncher across 979 matches in our dataset: a stylistic lean toward Thiago Monteiro.

Baseliner players often use precise groundstrokes and court control to pressure the counterpuncher's elite bp conversion.

Previous meetings

4 career meetings, newest first

Mar 13, 2026

Santiago Challenger

C Clay · Quarterfinals

63
36
46
Monteiro

Feb 21, 2026

BCI Seguros Chile Open

C Clay · 1st Round Qualifying

6377
64
62
Vallejo

Feb 14, 2026

Rio Open presented by Claro

C Clay · 1st Round Qualifying

46
16
Monteiro

Jan 23, 2026

Itajai Challenger

C Clay · Quarterfinals

62
46
63
Vallejo

Prop Research

Hit rates on common betting markets · Last 90 days

OutcomeVallejoMonteiro
1 or more100%88%
3 or more63%77%
5 or more32%41%
10 or more0%0%
15 or more0%0%
20 or more0%0%

Player ROI

Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days

MetricVallejoMonteiro
W-L9–1015–7
Avg odds2.281.64
ROI %+9.7%+7.5%
Units P/L+1.84u+1.66u

Travel

Last 30 days

MetricVallejoMonteiro
Countries22
Events32
Matches96
Distance2,283 mi · 3,674 km673 mi · 1,083 km
RouteCHN → JPN → CHNPOL → ITA

Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.

Common opponents

Results vs. opponents both players faced · Last 12 months

Vallejo has a higher win rate against shared opponents (100% vs Monteiro's 50%).

OpponentVallejoMonteiro
Nikolas Sanchez Izquierdo
W
64
61
L
64
36
67
Stefano Travaglia
W
76
62
W
63
76
Joao Lucas Reis Da Silva
W
36
63
61
L
36
46
Miguel Damas
W
63
63
W
64
75
Juan Carlos Prado Angelo
W
62
64
L
67
16
Henrique Rocha
W
61
46
62
L
06
76
36
Tomas Barrios Vera
W
63
16
64
L
Facundo Diaz Acosta
W
76
63
W
64
64
Pedro Boscardin Dias
W
62
64
W
61
62
Joao Eduardo Schiessl
W
64
62
W
62
62

Recent Form

Last five matches per player

Vallejo
LWLWWWWL
L

Tommy Paul

Shanghai Rolex Masters - Shanghai · 2nd Round

26
26

Oct 10

W

Valentin Royer

Shanghai Rolex Masters - Shanghai · 1st Round

63
61

Oct 8

L

Jiri Lehecka

Japan Open Tennis Championships - Tokyo · Quarterfinals

16
16

Oct 4

W

Matteo Berrettini

Japan Open Tennis Championships - Tokyo · 2nd Round

766
61

Oct 3

W

Rafael Jodar

Japan Open Tennis Championships - Tokyo · 1st Round

61
63

Oct 1

W

Jaime Faria

Japan Open Tennis Championships - Tokyo · 3rd Round Qualifying

64
57
75

Sep 29

W

Taro Daniel

Japan Open Tennis Championships - Tokyo · 1st Round Qualifying

63
62

Sep 28

L

Chak Pong Marco Lam

Hangzhou Open - Hangzhou · 2nd Round

627
64
36

Sep 26

Monteiro
LLLWWWWL
L

Elmer Moller

Braga Challenger · 1st Round

607
75
46

Oct 5

L

Mika Petkovic

Genoa 2 Challenger · 1st Round

64
46
16

Sep 22

L

Nikolas Sanchez Izquierdo

Szczecin Challenger · Final

64
36
667

Sep 20

W

Marco Trungelliti

Szczecin Challenger · Semifinals

64
36
63

Sep 19

W

Diego Dedura

Szczecin Challenger · Quarterfinals

64
62

Sep 18

W

Vitaliy Sachko

Szczecin Challenger · 2nd Round

637
64
763

Sep 16

W

Stefano Travaglia

Szczecin Challenger · 1st Round

63
763

Sep 14

L

Joao Lucas Reis Da Silva

Tulln Challenger · 2nd Round

36
46

Sep 10

Rivalry momentum

Cumulative head-to-head lead over time

↑ Vallejolevel↓ Monteiro

Win rate

Matches, sets and games won · Last 12 months · 55–87 matches

MetricVallejoMonteiro
Matches won70%62%
Sets won64%58%
Games won56%52%

Record by tier

Head-to-head record by tournament tier

StageVallejoMonteiro
ATP 50001
ATP 25010
ATP Challenger Tour11

By surface

Head-to-head record per surface

SurfaceVallejoMonteiro
Clay22

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Adolfo Daniel Vallejo vs Thiago Monteiro FAQ

The head-to-head is level at 2–2 over 4 meetings.