Adolfo Daniel Vallejo and Alvaro Guillen Meza will clash against each other in the 2nd round of the Montevideo Challenger for the 4th time in their career. They are scheduled to play on Thursday at 2:00 pm on CANCHA CENTRAL. In this post, we analyze their head to head performance and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Alvaro Guillen Meza who should win in 3 sets.
Alvaro Guillen Meza -> 1.76
Adolfo Daniel Vallejo -> 1.93
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Prediction and head to head Adolfo Daniel Vallejo vs. Alvaro Guillen Meza
This will be the 4th time that Adolfo Daniel Vallejo and Alvaro Guillen Meza play each other. The head to head is 2-1 for Daniel Vallejo (see full H2H stats), 2-1 on clay.
The last time that they locked horns, Daniel Vallejo won 7-5 6-2 in the semifinal in the Buenos Aires Challenger back in January 2025.
Adolfo Daniel Vallejo
45 - 27win/loss
163
163
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 45-28 | 1-4 | 44-24 | 0-0 | 0-0 | 0-0 |
| 2024 | 33-27 | 7-4 | 26-23 | 0-0 | 0-0 | 0-0 |
| 2023 | 30-25 | 6-8 | 24-17 | 0-0 | 0-0 | 0-0 |
| 2022 | 23-17 | 17-8 | 4-6 | 2-3 | 0-0 | 0-0 |
| 2021 | 1-2 | 0-0 | 1-2 | 0-0 | 0-0 | 0-0 |
Ranked no. 169, the Paraguayan reached the 2nd round after beating Guido Ivan Justo 4-6 6-2 6-3.
In the 1st round against Ivan Justo, Daniel Vallejo recovered from a 1-set down deficit before winning (4-6 6-2 6-3). During the match, Daniel Vallejo scored 95 points vs Ivan Justo’s 83. The Paraguayan was very aggressive to blast 43 winners.
Talking about the service games, Daniel Vallejo struck 3 aces and he committed only 3 double faults. Adolfo Daniel Vallejo lost the serve 5 times and he saved 5 break points. Furthermore, Daniel Vallejo put 71% of his first serves in, winning 70% (43/61) of the points behind his 1st serve and 28% (7/25) on the 2nd serve. The Paraguayan broke Ivan Justo 7 times after converting 37% of his break points (7/19).
Daniel Vallejo has a winning match record in the last 6 years having won 58% of his matches (133-98). 43-23 on clay in 2025. In connection with his performance on the same surface of this competition, Daniel Vallejo has an aggregate100-71 win-loss record in the last 6 years on clay.
His best result of the season was winning the title the Curitiba Challenger where he defeated Pedro Boscardin Dias in the final 6-3 7-5.
The Paraguayan has a composed 44-27 win-loss record in 2025, 43-23 on clay (See FULL STATS).
Previously in the Montevideo Challenger
Alvaro Guillen Meza
43 - 28win/loss
197
175
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 43-28 | 0-1 | 43-26 | 0-0 | 0-1 | 0-0 |
| 2024 | 37-32 | 1-3 | 36-29 | 0-0 | 0-0 | 0-0 |
| 2023 | 51-22 | 0-1 | 51-20 | 0-1 | 0-0 | 0-0 |
| 2022 | 33-23 | 1-2 | 32-21 | 0-0 | 0-0 | 0-0 |
| 2021 | 5-9 | 0-0 | 5-9 | 0-0 | 0-0 | 0-0 |
Ranked no. 200, the Ecuadorian got to the 2nd round after beating Sebastian Baez 7-6(3) 6-4.
In the 1st round, Alvaro had a good straight sets win against Baez (7-63 6-4). During the match Guillen Meza scored 92 points vs Baez’s 84. Guillen Meza was pretty aggressive to blast 29 winners.
Talking about serving, Guillen Meza scored just 1 ace during the entire match and he committed only 1 double fault for the entire match. Alvaro Guillen Meza lost the serve 5 times and he saved 3 break points. Furthermore, Guillen Meza put 69% of his first serves in, winning 53% (29/55) of the points behind his 1st serve and 52% (13/25) on the 2nd serve. Alvaro broke Baez 6 times after converting 32% of his break points (6/19).
His best result of the year was conquering the title the Santos Challenger where he beat Matheus Pucinelli De Almeida in the final 6-3 7-6(12).
The Ecuadorian has an aggregate 43-27 win-loss record in 2025, 43-25 on clay (See FULL STATS).
Previously in the Montevideo Challenger
Previously, his best result was reaching the 2nd round in 2023. See his history.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Daniel Vallejo | Guillen Meza |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 3 | 2 |
| Tot Games | 27 | 23 |
| Pts | 95-83 | 92-84 |
| Total Points | 178 | 176 |
| Winners | 43 | 29 |
| %Winners | 45% | 32% |
Both Daniel Vallejo and Guillen Meza played 1 match. At the moment, Adolfo Daniel Vallejo dropped 1 set while Alvaro Guillen Meza hasn’t dropped a set so far. Daniel Vallejo has played 1 set more than Guillen Meza (3 vs 2). Therefore, Daniel Vallejo played 4 games more than Guillen Meza. Adolfo scored 43 winners (45% of the total points). On the other side, Guillen Meza struck 29 winners (32%).
Serve Performance
| Serve | Daniel Vallejo | Guillen Meza |
|---|---|---|
| Aces | 3 | 1 |
| Avg per match | 3 | 1 |
| 1st in | 61/86 | 55/80 |
| %1st in | 71% | 69% |
| 1st pts | 43/61 | 29/55 |
| %1st pts | 70% | 53% |
| 2nd pts | 7/25 | 13/25 |
| %2nd pts | 28% | 52% |
Daniel Vallejo made 3 aces . Guillen Meza struck 1 ace . Daniel Vallejo won 70% points behind his first serve. He was rock solid on his second serve to win 28% of the points. On the other side, Guillen Meza won 53% of the points on his first serve. He had a solid display on his second serve to win 52% of the points.
How they played the important points
| Breaks | Daniel Vallejo | Guillen Meza |
|---|---|---|
| Won | 7 | 6 |
| Converted | 7/19 | 6/19 |
| % Converted | 37% | 32% |
| Conceded | 10 | 8 |
| Saved | 5 | 3 |
| % Saved | 50% | 38% |
| Times Broken | 5 | 5 |
The Paraguayan broke his opponent 7 times with a 37% conversion rate. Adolfo dropped his serve 5 times and he saved 50% of the break points that he conceded. Guillen Meza broke his opponent 6 times with a 32% conversion rate. The Ecuadorian conceded his serve 5 times and he saved 38% of the break points that he conceded.
| Daniel Vallejo | |||
| R1 Ivan Justo | Total | ||
|---|---|---|---|
| Score | 4-6 6-2 6-3 | ||
| Tot Set | 3 | 3 | |
| Tot Games | 27 | 27 | |
| pts | 95-83 | 95-83 | |
| Total points | 178 | 178 | |
| Winners | 43 | 43 | |
| %Winners | 45% | 45% | |
| SERVE | |||
| Aces | 3 | 3 | |
| Double Faults | 3 | 3 | |
| 1st in | 61/86 | 61/86 | |
| % 1st in | 71% | 71% | |
| 1st pts | 43/61 | 43/61 | |
| % 1st pts | 70% | 70% | |
| 2nd pts | 7/25 | 7/25 | |
| % 2nd pts | 28% | 28% | |
| Breaks | |||
| Won | 7 | 7 | |
| Converted | 7/19 | 7/19 | |
| Converted % | 37% | 37% | |
| Conceded | 10 | 10 | |
| Saved | 5/10 | 5 | |
| Saved % | 50% | 50% | |
| Times Broken | 5 | 5 | |
| Guillen Meza | |||
| R1 Baez | Total | ||
|---|---|---|---|
| Score | 7-63 6-4 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 23 | 23 | |
| pts | 92-84 | 92-84 | |
| Total points | 176 | 176 | |
| Winners | 29 | 29 | |
| %Winners | 32% | 32% | |
| SERVE | |||
| Aces | 1 | 1 | |
| Double Faults | 1 | 1 | |
| 1st in | 55/80 | 55/80 | |
| % 1st in | 69% | 69% | |
| 1st pts | 29/55 | 29/55 | |
| % 1st pts | 53% | 53% | |
| 2nd pts | 13/25 | 13/25 | |
| % 2nd pts | 52% | 52% | |
| Breaks | |||
| Won | 6 | 6 | |
| Converted | 6/19 | 6/19 | |
| Converted % | 32% | 32% | |
| Conceded | 8 | 8 | |
| Saved | 3/8 | 3 | |
| Saved % | 38% | 38% | |
| Times Broken | 5 | 5 | |
Tennis Scores in Montevideo Challenger
- Roman Andres BurruchagaAndres Burruchaga – Facundo MenaMena (7-5 6-4) – Stats, scores, rankings
- Mariano NavoneNavone – Marco CecchinatoCecchinato (3-6 6-0 6-4) – Stats, scores, rankings
- Gustavo HeideHeide – Emilio NavaNava (4-6 7-5 6-4) – Stats, scores, rankings
Upcoming matches in the draw
- Carlos TabernerTaberner – Zdenek KolarKolar (1-2) – H2H and prediction
- Franco RoncadelliRoncadelli – Marcelo Tomas Barrios VeraTomas Barrios Vera (0-0) – H2H and prediction
- Alvaro Guillen MezaGuillen Meza – (1-2) – H2H and prediction