Adolfo Daniel Vallejo vs Nicolas MejiaPrediction, Head-to-Head Results, and Stats
Adolfo Daniel Vallejo and Nicolas Mejia have met 1 time since 2026; Nicolas Mejia leads 1–0. Across all meetings Vallejo has taken 1 sets to Mejia's 3. Their most recent meeting: Nicolas Mejia won at Wimbledon - London (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Daniel Vallejo | Mejia | ||
|---|---|---|---|---|
| Indicator | Adolfo Daniel Vallejo | Nicolas Mejia | ||
| Wins in straight sets | 70% | 46/66 | 59% | 23/39 |
| Wins a set when losing | 33% | 7/21 | 14% | 4/28 |
| Goes to a deciding set | 31% | 27/87 | 30% | 20/67 |
| Covers −1.5 sets as favorite | 45% | 13/29 | 48% | 15/31 |
| Covers +1.5 sets as underdog | 76% | 16/21 | 50% | 16/32 |
| Tiebreak sets won | 53% | 10/19 | 50% | 16/32 |
| Wins after taking set 1 | 93% | 57/61 | 94% | 32/34 |
| Wins 2-0 after taking set 1 | 75% | 46/61 | 68% | 23/34 |
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.
Style Matchup
Playing styles and historical archetype record
Vallejo
🪃 Counterpuncher
Mejia
💥 Big Hitter
Matchup analysis
🪃 Counterpuncher vs 💥 Big Hitter is historically tight (49% vs 51%, 2,363 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Jun 29, 2026
Wimbledon - London
G Grass · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Vallejo | Mejia | ||
|---|---|---|---|---|
| Outcome | Adolfo Daniel Vallejo | Nicolas Mejia | ||
| 1 or more | 92% | 12/13 | 100% | 14/14 |
| 3 or more | 46% | 6/13 | 93% | 13/14 |
| 5 or more | 23% | 3/13 | 57% | 8/14 |
| 10 or more | 0% | 0/13 | 14% | 2/14 |
| 15 or more | 0% | 0/13 | 0% | 0/14 |
| 20 or more | 0% | 0/13 | 0% | 0/14 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Vallejo | Mejia |
|---|---|---|
| W-L | 6–7 | 11–6 |
| Avg odds | 2.06 | 2.46 |
| ROI % | -20.5% | +36.7% |
| Units P/L | -2.66u | +6.24u |
Travel
Last 30 days
| Metric | Vallejo | Mejia |
|---|---|---|
| Countries | 2 | 3 |
| Events | 3 | 3 |
| Matches | 5 | 4 |
| Distance | 1,024 mi · 1,648 km | 1,959 mi · 3,153 km |
| Route | CAN → USA | CAN → USA → MEX |
Host country from the tournament each match was played in, over the last 30 days. 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
Mejia has a higher win rate against shared opponents (100% vs Vallejo's 78%).
| Opponent | Vallejo | Mejia |
|---|---|---|
| Matias Soto | W 63 62 | W 61 75 |
| Juan Pablo Varillas | W 64 62 | W 64 57 61 |
| Henrique Rocha | W 61 46 62 | W 64 67 62 |
| Gustavo Heide | W 64 46 63 | W 64 63 |
| Bernabe Zapata Miralles | W 61 61 | W 63 67 63 |
| Franco Roncadelli | L 36 46 | W 64 62 |
| Hady Habib | L 67 67 | W 76 62 |
| Aristotelis Thanos | W 63 63 | W 64 75 |
| Thiago Agustin Tirante | W 64 62 | W 76 64 |
Recent Form
Last five matches per player
Botic van de Zandschulp
Winston-Salem Open - Winston-Salem · 2nd Round
Aug 25
Tommy Paul
Cincinnati Open - Cincinnati · 3rd Round
Aug 18
Valentin Vacherot
Cincinnati Open - Cincinnati · 2nd Round
Aug 15
Kyrian Jacquet
Cincinnati Open - Cincinnati · 1st Round
Aug 14
Juncheng Shang
National Bank Open - Montreal · 1st Round
Aug 2
Kilian Feldbausch
Generali Open - Kitzbuhel · 1st Round
Jul 21
Luciano Darderi
Nordea Open - Bastad · Semifinals
Jul 18
Stefano Travaglia
Nordea Open - Bastad · Quarterfinals
Jul 17
Camilo Ugo Carabelli
Cancun Challenger · 1st Round
Aug 20
Adam Walton
Cincinnati Open - Cincinnati · 1st Round
Aug 14
Lorenzo Musetti
National Bank Open - Montreal · 2nd Round
Aug 5
Martin Landaluce
National Bank Open - Montreal · 1st Round
Aug 3
Matias Soto
Bogota Challenger · Final
Jul 12
Juan Pablo Varillas
Bogota Challenger · Semifinals
Jul 11
Hernan Casanova
Bogota Challenger · Quarterfinals
Jul 10
Santiago Rodriguez Taverna
Bogota Challenger · 2nd Round
Jul 9
Win rate
Matches, sets and games won · Last 12 months · 70–89 matches
| Metric | Vallejo | Mejia |
|---|---|---|
| Matches won | 74% | 59% |
| Sets won | 68% | 54% |
| Games won | 57% | 51% |
Record by tier
Head-to-head record by tournament tier
| Stage | Vallejo | Mejia |
|---|---|---|
| Grand Slam | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Vallejo | Mejia |
|---|---|---|
| Grass | 0 | 1 |
Share this matchup
Copy the link to paste in Discord or group chats.