Adolfo Daniel Vallejo and Thiago Monteiro have met 4 times since 2026; they are level 2–2. Their most recent meeting: Thiago Monteiro won at Challenger de Santiago - Dove Men Care (2026).
Playing styles and historical archetype record
Vallejo
🪃 Counterpuncher
Monteiro
🎯 Baseliner
Matchup analysis
The 🎯 Baseliner archetype wins about 54% vs 🪃 Counterpuncher across 1,795 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.
4 career meetings, newest first
Mar 13, 2026
Challenger de Santiago - Dove Men Care
C Clay · Quarterfinals
Feb 21, 2026
BCI Seguros Chile Open
C Clay · 1st Round Qualifying
Feb 14, 2026
Rio Open presented by Claro
C Clay · 1st Round Qualifying
Jan 23, 2026
Itajai Open
C Clay · Quarterfinals
Hit rates on common betting markets · Last 90 days
| Outcome | Vallejo | Monteiro | ||
|---|---|---|---|---|
| Outcome | Adolfo Daniel Vallejo | Thiago Monteiro | ||
| 1 or more | 73% | 11/15 | 100% | 6/6 |
| 3 or more | 47% | 7/15 | 83% | 5/6 |
| 5 or more | 20% | 3/15 | 67% | 4/6 |
| 10 or more | 7% | 1/15 | 0% | 0/6 |
| 15 or more | 0% | 0/15 | 0% | 0/6 |
| 20 or more | 0% | 0/15 | 0% | 0/6 |
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Vallejo | Monteiro |
|---|---|---|
| W-L | 9–5 | 4–2 |
| Avg odds | 1.92 | 1.59 |
| ROI % | +5.6% | +8.3% |
| Units P/L | +0.79u | +0.50u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Results vs. opponents both players faced · Last 12 months
Vallejo has a higher win rate against shared opponents (78% vs Monteiro's 44%).
| Opponent | Vallejo | Monteiro |
|---|---|---|
| Henrique Rocha | W 61 46 62 | L 06 76 36 |
| Genaro Alberto Olivieri | L 36 26 | L 63 46 57 |
| 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 |
| Facundo Mena | W 61 62 | L 57 67 |
| Tomas Barrios Vera | W 63 16 64 | L 26 57 |
| Marco Cecchinato | W 61 60 | W 76 76 |
| Roman Andres Burruchaga | L 16 26 | L 46 76 06 |
Last five matches per player
Moise Kouame
Roland Garros · Round of 64
May 27
Cameron Norrie
Roland Garros · Round of 128
May 26
Miomir Kecmanovic
Copa Faulconbridge · Final
May 16
Jaume Munar
Copa Faulconbridge · Semifinals
May 14
Zizou Bergs
Copa Faulconbridge · Quarterfinals
May 12
Nicolas Alvarez Varona
Copa Faulconbridge · Round of 16
May 9
Bernabe Zapata Miralles
Copa Faulconbridge · Round of 32
May 7
Jaime Faria
Internazionali BNL d'Italia · 1st Round Qualifying
May 6
Franco Agamenone
Bosphorus Challenger Cup · Quarterfinals
May 21
Alejo Sanchez Quilez
Bosphorus Challenger Cup · Round of 32
May 19
Andy Andrade
Zagreb Open · Round of 32
May 13
Pol Martin Tiffon
Bosphorus Challenger Cup · Round of 16
May 13
Andrej Nedic
Zagreb Open · 2nd Round Qualifying
May 11
Noa Vukadin
Zagreb Open · 1st Round Qualifying
May 1
Genaro Alberto Olivieri
Challenger de Santiago - Dove Men Care · Semifinals
Mar 14
Adolfo Daniel Vallejo
Challenger de Santiago - Dove Men Care · Quarterfinals
Mar 13
Cumulative head-to-head lead over time
Matches, sets and games won · Last 12 months · 50–74 matches
| Metric | Vallejo | Monteiro |
|---|---|---|
| Matches won | 70% | 52% |
| Sets won | 65% | 53% |
| Games won | 56% | 50% |
Head-to-head record by tournament tier
| Stage | Vallejo | Monteiro |
|---|---|---|
| ATP 500 | 0 | 1 |
| ATP 250 | 1 | 0 |
| ATP Challenger Tour | 1 | 1 |
Head-to-head record per surface
| Surface | Vallejo | Monteiro |
|---|---|---|
| Clay | 2 | 2 |
