Surface:
Red clay
Round:
Qualifying Round 1
Adolfo Daniel Vallejo
PRY
ATP - 103
2
:
1
Ended
Thiago Monteiro
BRA
ATP - 208

Vallejo vs Monteiro Prediction 21 February 2026

    PRY
    Adolfo Daniel Vallejo
    BRA
    Thiago Monteiro
    63
    6
    6
    2
    77
    4
    2
    1

    📣Which player will handle extended sets better? Or will Adolfo Daniel Vallejo and Thiago Monteiro play a quick match? We will get answers to these questions on 21 February at 16:50, when the next match of the "ATP Santiago" tournament begins, taking place in Santiago on the “Club Deportivo Universidad Catolica, Court Jaime Fillol” court. In our prediction, we have analyzed the upcoming match in more detail and selected the optimal outcome for betting.

    Head-to-Head

    🎟Analyzing the head-to-head history provides a more accurate prediction for the match between Adolfo Daniel Vallejo and Thiago Monteiro, while also uncovering intriguing patterns. Over their careers, Adolfo Daniel Vallejo and Thiago Monteiro have faced off 2 times: Adolfo Daniel Vallejo emerged victorious in 1, whereas Thiago Monteiro claimed victory 1.

    📈On average, their encounters feature 2.5 sets and 22 games. Adolfo Daniel Vallejo wins an average of 10.5 games, while their opponent secures 11.5.

    📊Their last meeting occurred at the ATP Rio de Janeiro tournament on 14 February 2026. The match concluded with a score of 0:2 (4:6; 1:6) in favor of Thiago Monteiro.

    Head-to-head statistics Vallejo - Monteiro

    50%
    2 Wins
    50%
    2 Wins
    13.03.26
    Chile Santiago, ATP Challenger Men Singles
    Adolfo Daniel Vallejo
    Adolfo Daniel Vallejo
    Thiago Monteiro
    Thiago Monteiro
    1
    2
    6
    3
    3
    6
    4
    6
    21.02.26
    Chile, Santiago
    Adolfo Daniel Vallejo
    Adolfo Daniel Vallejo
    Thiago Monteiro
    Thiago Monteiro
    2
    1
    63
    77
    6
    4
    6
    2
    14.02.26
    RIO (ATP)
    Adolfo Daniel Vallejo
    Adolfo Daniel Vallejo
    Thiago Monteiro
    Thiago Monteiro
    0
    2
    4
    6
    1
    6
    23.01.26
    Challenger Itajai
    Thiago Monteiro
    Thiago Monteiro
    Adolfo Daniel Vallejo
    Adolfo Daniel Vallejo
    1
    2
    2
    6
    6
    4
    3
    6
    Empty
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    Adolfo Daniel Vallejo Player Overview

    Adolfo Daniel Vallejo: statistics of the last 10 matches

    🎟The previous 10 matches for this participant ended in 9 victories and 1.In the first set, he won 8 times while 2 times, his opponent emerged victorious.

    📈Over the same 10 matches, an average score of 20.5 was achieved. 12.3 was the average number of games won in a match and 5.6 was the number of wins in the first game.

    📊Also, make sure to consider the number of wins and losses with a score of 2-0 and 2-1 over the past 10 matches.

    The number of winning matches: 2-0 - 5 matches with a win percentage of 55.56%; 2-1 - 4 wins with 44.44% as a win percentage.

    The number of lost matches: 2-0 - 1 matches with a lost percentage of 100%; 2-1 - 0 matches with a lost percentage of 0%.

    Match Results: Adolfo Daniel Vallejo

    29.09.26
    TOK
    Adolfo Daniel Vallejo
    Adolfo Daniel Vallejo
    Jaime Faria
    Jaime Faria
    2
    1
    6
    4
    5
    7
    7
    5
    W
    28.09.26
    TOK
    Adolfo Daniel Vallejo
    Adolfo Daniel Vallejo
    Taro Daniel
    Taro Daniel
    2
    0
    6
    3
    6
    2
    W
    26.09.26
    ATP Hangzhou Singles
    Chak Lam Coleman Wong
    Chak Lam Coleman Wong
    Adolfo Daniel Vallejo
    Adolfo Daniel Vallejo
    2
    1
    77
    62
    4
    6
    6
    3
    L
    24.09.26
    ATP Hangzhou Singles
    Jie Cui
    Jie Cui
    Adolfo Daniel Vallejo
    Adolfo Daniel Vallejo
    1
    2
    1
    6
    77
    62
    4
    6
    W
    19.09.26
    Davis Cup
    Ignacio Buse
    Ignacio Buse
    Adolfo Daniel Vallejo
    Adolfo Daniel Vallejo
    1
    2
    7
    5
    5
    7
    63
    77
    W
    Empty
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    Thiago Monteiro Player Overview

    Thiago Monteiro: statistics of the last 10 matches

    The previous 10 matches for this participant ended in 5 victories and 5. In the first set, he won 4 times while 6 times, his opponent emerged victorious.

    Over the same 10 matches, an average score of 20.5 was achieved. 10.2 was the average number of games won in a match and 4.2 was the number of wins in the first game.

    The number of winning matches: 2-0 - 4 matches with a win percentage of 80%; 2-1 - 1 wins with 20% as a win percentage.

    The number of lost matches: 2-0 - 4 matches with a lost percentage of 80%; 2-1 - 1 matches with a lost percentage of 20%.

    Match Results: Thiago Monteiro

    22.09.26
    ATP Challenger Genoa 2, Italy Men Singles
    Mika Petkovic
    Mika Petkovic
    Thiago Monteiro
    Thiago Monteiro
    2
    1
    4
    6
    6
    4
    6
    1
    L
    20.09.26
    Poland Szczecin, ATP Challenger Men
    Nikolas Sanchez-Izquierdo
    Nikolas Sanchez-Izquierdo
    Thiago Monteiro
    Thiago Monteiro
    2
    1
    4
    6
    6
    3
    78
    66
    L
    19.09.26
    Poland Szczecin, ATP Challenger Men
    Thiago Monteiro
    Thiago Monteiro
    Marco Trungelliti
    Marco Trungelliti
    2
    1
    6
    4
    3
    6
    6
    3
    W
    18.09.26
    Poland Szczecin, ATP Challenger Men
    Diego Dedura-Palomero
    Diego Dedura-Palomero
    Thiago Monteiro
    Thiago Monteiro
    0
    2
    4
    6
    2
    6
    W
    16.09.26
    Poland Szczecin, ATP Challenger Men
    Vitaliy Sachko
    Vitaliy Sachko
    Thiago Monteiro
    Thiago Monteiro
    1
    2
    77
    63
    4
    6
    63
    77
    W
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    Prediction on the outcome

    Trends
    • Adolfo Daniel Vallejo has won in 17 of last 18 matches.
    👉Prediction: Adolfo Daniel Vallejo to Win (odds: 1.5)

    Prediction on the over/under

    Trends
    • Adolfo Daniel Vallejo has won under 13.5 games in last 5 matches.
    👉Prediction: Adolfo Daniel Vallejo Total Under (13,5) (odds: 1.41)

    Editorial Prediction

    Key statistics:
    • Adolfo Daniel Vallejo has won in 17 of last 18 matches.

    Adolfo Daniel Vallejo to Win
    Bovada
    Place a bet-175
    Published: 21/02/2026, 05:39

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    Betting Tips: Adolfo Daniel Vallejo - Thiago Monteiro

    Adolfo Daniel Vallejo has won:
    vallejo-adolfo-daniel-1in 17 of last 18 matches.
    Adolfo Daniel Vallejo to Win
    MyBookie
    -182
    Adolfo Daniel Vallejo has won the 1st set:
    vallejo-adolfo-daniel-1in 12 of last 14 matches.
    1st Set Adolfo Daniel Vallejo to Win
    Bovada
    -185
    Thiago Monteiro has won under 12.5 games:
    monteiro-thiago-mourain 12 of last 13 matches.
    Thiago Monteiro Total Under (12,5)
    MyBookie
    -175
    Under 2.5 sets:
    monteiro-thiago-mourain 7 of last 8 Thiago Monteiro games.
    Sets Total Under (2,5)
    MyBookie
    -182
    View more facts