Adolfo Daniel Vallejo vs Alvaro Guillen MezaPrediction, Head-to-Head Results, and Stats
🇵🇾Adolfo Daniel Vallejo
#52 · 22 yrs · R
54 meetings · sets 7–4
🇪🇨Alvaro Guillen Meza
#332 · 23 yrs · R
4wAdolfo Daniel Vallejo and Alvaro Guillen Meza have met 4 times since 2023; Adolfo Daniel Vallejo leads 3–1. Their first meeting came at Montevideo in 2023 on clay. On clay courts Vallejo leads 3–1. Vallejo has won the last 3 meetings. Across all meetings Vallejo has taken 7 sets to Meza's 4. Their most recent meeting: Adolfo Daniel Vallejo won at Guayaquil Challenger (2025).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Daniel Vallejo | Guillen Meza | ||
|---|---|---|---|---|
| Indicator | Adolfo Daniel Vallejo | Alvaro Guillen Meza | ||
| Wins in straight sets | 67% | 41/61 | 43% | 9/21 |
| Wins a set when losing | 39% | 9/23 | 37% | 11/30 |
| Goes to a deciding set | 35% | 29/84 | 45% | 23/51 |
| Covers −1.5 sets as favorite | 47% | 14/30 | 25% | 7/28 |
| Covers +1.5 sets as underdog | 77% | 20/26 | 50% | 11/22 |
| Tiebreak sets won | 45% | 9/20 | 50% | 10/20 |
| Wins after taking set 1 | 91% | 52/57 | 64% | 14/22 |
| Wins 2-0 after taking set 1 | 72% | 41/57 | 41% | 9/22 |
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 1, Guillen Meza 0).
Style Matchup
Playing styles and historical archetype record
Vallejo
🪃 Counterpuncher
Meza
🧱 The Wall
Matchup analysis
The 🪃 Counterpuncher archetype wins about 55% vs 🧱 The Wall across 685 matches in our dataset: a stylistic lean toward Adolfo Daniel Vallejo.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the wall's elite returner.
Previous meetings
4 career meetings, newest first
Nov 22, 2025
Guayaquil Challenger
C Clay · Semifinals
Nov 13, 2025
Montevideo Challenger
C Clay · 2nd Round
Jan 18, 2025
Buenos Aires Challenger
C Clay · Semifinals
Nov 12, 2023
Montevideo
C Clay · 1st Round Qualifying
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Vallejo | Meza | ||
|---|---|---|---|---|
| Outcome | Adolfo Daniel Vallejo | Alvaro Guillen Meza | ||
| 1 or more | 100% | 19/19 | 80% | 4/5 |
| 3 or more | 63% | 12/19 | 40% | 2/5 |
| 5 or more | 32% | 6/19 | 20% | 1/5 |
| 10 or more | 0% | 0/19 | 0% | 0/5 |
| 15 or more | 0% | 0/19 | 0% | 0/5 |
| 20 or more | 0% | 0/19 | 0% | 0/5 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Vallejo | Meza |
|---|---|---|
| W-L | 9–10 | 0–6 |
| Avg odds | 2.28 | 3.41 |
| ROI % | +9.7% | -100.0% |
| Units P/L | +1.84u | -6.00u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Vallejo | Meza |
|---|---|---|
| Countries | 2 | — |
| Events | 3 | — |
| Matches | 9 | — |
| Distance | 2,283 mi · 3,674 km | — |
| Route | CHN → JPN → CHN | — |
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 (80% vs Meza's 40%).
| Opponent | Vallejo | Meza |
|---|---|---|
| Ignacio Buse | W 57 75 76 | W 62 46 63 |
| Juan Pablo Varillas | L 75 67 36 | W 36 62 64 |
| Miguel Damas | W 63 63 | L 67 46 |
| Juan Carlos Prado Angelo | W 62 64 | L 64 16 67 |
| Franco Roncadelli | L 36 46 | L 64 26 46 |
| Marco Cecchinato | W 61 60 | L 36 76 46 |
| Pedro Boscardin Dias | W 62 64 | L 26 46 |
| Luciano Emanuel Ambrogi | W 62 64 | W 36 64 76 |
| Facundo Diaz Acosta | W 76 63 | L 63 67 26 |
| Tristan Boyer | W 62 62 | W 16 62 64 |
Recent Form
Last five matches per player
Tommy Paul
Shanghai Rolex Masters - Shanghai · 2nd Round
Oct 10
Valentin Royer
Shanghai Rolex Masters - Shanghai · 1st Round
Oct 8
Jiri Lehecka
Japan Open Tennis Championships - Tokyo · Quarterfinals
Oct 4
Matteo Berrettini
Japan Open Tennis Championships - Tokyo · 2nd Round
Oct 3
Rafael Jodar
Japan Open Tennis Championships - Tokyo · 1st Round
Oct 1
Jaime Faria
Japan Open Tennis Championships - Tokyo · 3rd Round Qualifying
Sep 29
Taro Daniel
Japan Open Tennis Championships - Tokyo · 1st Round Qualifying
Sep 28
Chak Pong Marco Lam
Hangzhou Open - Hangzhou · 2nd Round
Sep 26
Arthur Fery
Davis Cup, World Group, Q2, GBR-ECU · Rubber 2
Sep 19
Maximo Zeitune
Genoa Challenger · 1st Round
Sep 8
Max Schoenhaus
Como Challenger · 1st Round
Aug 31
Andrew Fenty
Kingston 2 Challenger · 1st Round
Aug 25
Igor Ribeiro Marcondes
Kingston 1 Challenger · 1st Round
Aug 18
Igor Ribeiro Marcondes
Kingston 1 Challenger · 1st Round
Aug 17
Anton Matusevich
Zug Challenger · 2nd Round
Jul 22
Buvaysar Gadamauri
Zug Challenger · 1st Round
Jul 20
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 51–87 matches
| Metric | Vallejo | Meza |
|---|---|---|
| Matches won | 70% | 41% |
| Sets won | 64% | 42% |
| Games won | 56% | 47% |
Record by tier
Head-to-head record by tournament tier
| Stage | Vallejo | Meza |
|---|---|---|
| ATP Challenger Tour | 3 | 1 |
By surface
Head-to-head record per surface
| Surface | Vallejo | Meza |
|---|---|---|
| Clay | 3 | 1 |
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