Adolfo Daniel Vallejo and Aristotelis Thanos will face off in the 2nd round of the Antofagasta Challenger for the 1st time in their career. They are scheduled to play on Wednesday at 10:00 am on CANCHA 7. In the following lines you can find the head to head analysis and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Adolfo Daniel Vallejo who should win in 3 sets.
As per the initial odds, Adolfo Daniel Vallejo is the pick to win this match.
Adolfo Daniel Vallejo -> 1.46
Aristotelis Thanos -> 2.56
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Prediction and head to head Adolfo Daniel Vallejo vs. Aristotelis Thanos
There is no head to head record between Adolfo Daniel Vallejo and Aristotelis Thanos since this will be the first time that they will clash against each other in the main tour.
Adolfo Daniel Vallejo
32 - 23win/loss
144
143
WWWWWLWWLL | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 50-28 | 1-4 | 49-24 | 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. 254, the Paraguayan got to the 2nd round after defeating Andrea Collarini 1-6 6-1 6-2.
In the 1st round against Collarini, Adolfo recovered from a 1-set down deficit before winning (1-6 6-1 6-2). During the match, Daniel Vallejo scored 73 points vs Collarini’s 62. The Paraguayan was exceptionally aggressive to blast 27 winners.
Talking about the service games, Daniel Vallejo scored 3 aces and he committed only 3 double faults. Adolfo Daniel Vallejo lost the serve twice and he saved 4 break points. Furthermore, Daniel Vallejo put 57% of his first serves in, winning 68% (27/40) of the points behind his 1st serve and 60% (18/30) on the 2nd serve. Adolfo broke Collarini 4 times after converting 67% of his break points (4/6).
Daniel Vallejo has a winning win-loss record in the last 6 years having won 56% of his matches (121-94). 31-19 on clay in 2025. In connection with his performance on the same surface of this tournament, Daniel Vallejo has an overall88-67 win-loss record in the last 6 years on clay.
Daniel Vallejo’s best result of the current year was getting to the final in the Buenos Aires Challenger,M25 Punta del Este,M25 Mar Del Plata and M25 Londrina.
Daniel Vallejo has an overall 32-23 win-loss record in 2025, 31-19 on clay (See FULL STATS).
Previously in the Antofagasta Challenger
Aristotelis Thanos
25 - 11win/loss
498
433
LLLLWWLWLW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 28-17 | 5-6 | 23-9 | 0-2 | 0-0 | 0-0 |
| 2024 | 30-13 | 15-8 | 10-3 | 5-2 | 0-0 | 0-0 |
| 2023 | 22-8 | 12-4 | 5-2 | 5-2 | 0-0 | 0-0 |
| 2022 | 9-10 | 2-6 | 7-4 | 0-0 | 0-0 | 0-0 |
| 2021 | 32-21 | 15-11 | 17-10 | 0-0 | 0-0 | 0-0 |
Ranked no. 475, Thanos got to the 2nd round after defeating Bautista De La Pena 6-1 6-2, Franco Roncadelli 6-2 6-2 and Murkel Dellien 7-5 6-0.
In the 1st round, Aristotelis had a good straight sets win against Alejandro Dellien Velasco (7-5 6-0). During the match Thanos scored 74 points vs Alejandro Dellien Velasco’s 56. The Greek was very aggressive to blast 30 winners.
About the serving games, Thanos scored just 1 ace during the entire match and he committed only 3 double faults. Aristotelis Thanos lost the serve twice and he saved 7 break points. Furthermore, Thanos put 66% of his first serves in, winning 64% (30/47) of the points behind his 1st serve and 50% (12/24) on the 2nd serve. Aristotelis broke Alejandro Dellien Velasco 6 times after converting 50% of his break points (6/12).
The Greek’s best result of the season was getting to the final in M25 Varnamo and M25 Gentofte.
Thanos has a composed 25-11 win-loss record in 2025, 20-6 on clay (See FULL STATS).
Previously in the Antofagasta Challenger
Aristotelis has never competed in this tournament before.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Daniel Vallejo | Thanos |
|---|---|---|
| Match played | 1 | 2 |
| Tot Set | 3 | 4 |
| Tot Games | 22 | 33 |
| Pts | 73-62 | 126-86 |
| Total Points | 135 | 212 |
| Winners | 27 | 50 |
| %Winners | 37% | 40% |
Daniel Vallejo played 1 match while Thanos competed in 2 matches. Thanos started his run from the qualifications while Daniel Vallejo had a direct access to the main draw. At the moment, Adolfo Daniel Vallejo conceded 1 set while Aristotelis Thanos hasn’t dropped a set so far. Daniel Vallejo has played 1 set(s) less than Thanos (3 vs 4). Therefore, Daniel Vallejo played 11 games less than Thanos. Daniel Vallejo scored 27 winners (37% of the total points). On the other side, Thanos blasted 50 winners (40%).
Serve Performance
| Serve | Daniel Vallejo | Thanos |
|---|---|---|
| Aces | 3 | 2 |
| Avg per match | 3 | 1 |
| 1st in | 40/70 | 72/111 |
| %1st in | 57% | 65% |
| 1st pts | 27/40 | 50/72 |
| %1st pts | 68% | 69% |
| 2nd pts | 18/30 | 19/39 |
| %2nd pts | 60% | 49% |
Daniel Vallejo made 3 aces . Thanos struck 2 aces (1 per match). Daniel Vallejo won 68% points behind his first serve. He had a solid display on his second serve to win 60% of the points. On the other side, Thanos won 69% of the points on his first serve. He had a solid display on his second serve to win 49% of the points.
How they played the important points
| Breaks | Daniel Vallejo | Thanos |
|---|---|---|
| Won | 4 | 12 |
| Converted | 4/6 | 12/18 |
| % Converted | 67% | 67% |
| Conceded | 6 | 11 |
| Saved | 4 | 8 |
| % Saved | 67% | 73% |
| Times Broken | 2 | 3 |
Adolfo broke his opponent 4 times with a 67% conversion rate. Adolfo lost his serve twice and he saved 67% of the break points that he conceded. Aristotelis broke his opponents 12 times with a 67% conversion rate. Thanos conceded his serve 3 times and he saved 73% of the break points that he conceded.
| Daniel Vallejo | |||
| R1 Collarini |
Total | ||
|---|---|---|---|
| Score | 1-6 6-1 6-2 | ||
| Tot Set | 3 | 3 | |
| Tot Games | 22 | 22 | |
| pts | 73-62 | 73-62 | |
| Total points | 135 | 135 | |
| Winners | 27 | 27 | |
| %Winners | 37% | 37% | |
| SERVE | |||
| Aces | 3 | 3 | |
| Double Faults | 3 | 3 | |
| 1st in | 40/70 | 40/70 | |
| % 1st in | 57% | 57% | |
| 1st pts | 27/40 | 27/40 | |
| % 1st pts | 68% | 68% | |
| 2nd pts | 18/30 | 18/30 | |
| % 2nd pts | 60% | 60% | |
| Breaks | |||
| Won | 4 | 4 | |
| Converted | 4/6 | 4/6 | |
| Converted % | 67% | 67% | |
| Conceded | 6 | 6 | |
| Saved | 4/6 | 4 | |
| Saved % | 67% | 67% | |
| Times Broken | 2 | 2 | |
| Thanos | |||||
| Q1 De La Pena |
Q3 Roncadelli |
R1 Alejandro Dellien Velasco |
Total | ||
|---|---|---|---|---|---|
| Score | 6-1 6-2 | 6-2 6-2 | 7-5 6-0 | ||
| Tot Set | 2 | 2 | 2 | 6 | |
| Tot Games | 15 | 16 | 18 | 49 | |
| pts | 52-30 | – | 74-56 | 126-86 | |
| Total points | 82 | 0 | 130 | 212 | |
| Winners | 20 | 30 | 50 | ||
| %Winners | 38% | 0% | 41% | 40% | |
| SERVE | |||||
| Aces | 1 | 0 | 1 | 2 | |
| Double Faults | 1 | 3 | 4 | ||
| 1st in | 25/40 | / | 47/71 | 72/111 | |
| % 1st in | 63% | 0% | 66% | 65% | |
| 1st pts | 20/25 | / | 30/47 | 50/72 | |
| % 1st pts | 80% | 0% | 64% | 69% | |
| 2nd pts | 7/15 | / | 12/24 | 19/39 | |
| % 2nd pts | 47% | 0% | 50% | 49% | |
| Breaks | |||||
| Won | 6 | 6 | 12 | ||
| Converted | 6/6 | / | 6/12 | 12/18 | |
| Converted % | 100% | 0% | 50% | 67% | |
| Conceded | 2 | 9 | 11 | ||
| Saved | 1/2 | 0/ | 7/9 | 8 | |
| Saved % | 50% | – | 78% | 128% | |
| Times Broken | 1 | 2 | 3 | ||
Head 2 Head
WWWWWLWWLL
LLLLWWLWLW Tennis Scores in Antofagasta Challenger
- Rodrigo Pacheco MendezPacheco Mendez – Pedro Boscardin DiasBoscardin Dias (6-3 6-1) – See score progression
- Carlos Maria ZarateMaria Zarate – Daniel Antonio NunezAntonio Nunez (6-2 7-5) – See score progression
- Lukas NeumayerNeumayer – Juan Bautista TorresBautista Torres (6-1 6-0) – See score progression
- Emilio NavaNava – Matheus Pucinelli De AlmeidaPucinelli De Almeida (6-3 6-4) – See score progression
- Franco RoncadelliRoncadelli – Gonzalo VillanuevaVillanueva (6-3 6-0) – See score progression
- Aristotelis ThanosThanos – Murkel DellienDellien (7-5 6-0) – See score progression
- Lautaro MidonMidon – Luciano Emanuel AmbrogiEmanuel Ambrogi (6-4 4-6 6-4) – See score progression
- Federico Agustin GomezAgustin Gomez – Joaquin Aguilar CardozoAguilar Cardozo (7-5 6-2) – See score progression
- Cristian GarinGarin – Benjamin TorrealbaTorrealba (6-3 6-2) – See score progression
- Adolfo Daniel VallejoDaniel Vallejo – Andrea CollariniCollarini (1-6 6-1 6-2) – See score progression
- Facundo BagnisBagnis – Francesco MaestrelliMaestrelli (6-3 3-6 6-2) – See score progression
- Hady HabibHabib – Nikolas Sanchez-IzquierdoSanchez-Izquierdo (6-3 4-6 6-2) – See score progression
- Tomas Barrios VeraBarrios Vera – Genaro Alberto OlivieriAlberto Olivieri (6-2 6-4) – See score progression
- Emilio NavaNava – Matheus Pucinelli De AlmeidaPucinelli De Almeida (6-3 6-4) – See score progression
- Federico Agustin GomezAgustin Gomez – Joaquin Aguilar CardozoAguilar Cardozo (7-5 6-2) – See score progression
- Rodrigo Pacheco MendezPacheco Mendez – Pedro Boscardin DiasBoscardin Dias (6-3 6-1) – See score progression
- Aristotelis ThanosThanos – Murkel DellienDellien (7-5 6-0) – See score progression
- Lautaro MidonMidon – Luciano Emanuel AmbrogiEmanuel Ambrogi (6-4 4-6 6-4) – See score progression
- Carlos Maria ZarateMaria Zarate – Daniel Antonio NunezAntonio Nunez (6-2 7-5) – See score progression
- Franco RoncadelliRoncadelli – Gonzalo VillanuevaVillanueva (6-3 6-0) – See score progression
- Cristian GarinGarin – Benjamin TorrealbaTorrealba (6-3 6-2) – See score progression
Upcoming matches in the draw
- Hugo DellienDellien – Alvaro Guillen MezaGuillen Meza (0-1) – H2H and prediction
- Nicolas KickerKicker – Facundo Diaz AcostaDiaz Acosta (1-1) – H2H and prediction
- Hady HabibHabib – (0-0) – H2H and prediction
- Emilio NavaNava – Federico Agustin GomezAgustin Gomez (0-0) – H2H and prediction
- Matias SotoSoto – Joao Lucas Reis Da SilvaLucas Reis Da Silva (1-1) – H2H and prediction
- Franco RoncadelliRoncadelli – Christian GarinGarin (0-0) – H2H and prediction
