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

Adolfo Daniel Vallejo

32 - 23win/loss

Hard
1-4
I Hard
0-0
Clay
31-19
Rank
163
High
163
WWLWWLLWWW
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 47-28 1-4 46-24 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
See all years

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

Antofagasta Challenger
Daniel Vallejo's Record

Aristotelis Thanos

Aristotelis Thanos

25 - 11win/loss

Hard
5-5
I Hard
0-0
Clay
20-6
Rank
439
High
433
LLLWWLWLWL
See allSTATS
Year Total Hard Clay I.hard Grass Carpet
2025 28-16 5-5 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
See all years

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.

Antofagasta Challenger
Thanos's Record

H2H Performance in the tournament

A.Daniel Vallejo
A.Thanos
1h:58
1h:58
Time on court​
!
4h:11
4h:11
1h:58
1h:58
Last match​
1h:40
1h:40
1
1
Match played
!
3
3
22
22
Games Played​
49
49
3
3
Set played​​
6
6
73
73
Total points​
174
174
73
73
Avg point​
58
58
27
27
Winners
67
67
27
27
Avg Winners​
22.3
22.3
37%
37%
Ratio winners
39%
39%
-- Serve --
3
3
Aces
2
2
3
3
Avg Aces
0.7
0.7
3
3
Double Faults
6
6
3
3
Avg Double Faults
2
2
27/40
27/40
1st won total​
67/108
67/108
68%
68%
1st won %
62%
62%
18/30
18/30
2nd won total​
28/67
28/67
60%
60%
2nd won %
42%
42%
-- Break Points --
4/6
4/6
BP won
15/23
15/23
4/6
4/6
Avg BP won
5/7.7
5/7.7
!
67%
67%
Won
!
65%
65%
6
6
Conceded
22
22
6
6
Avg Conceded
7.3
7.3
2
2
Broken
10
10
2
2
Avg Broken
3.3
3.3
4
4
Saved
12
12
See Allstats

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

Tennis Scores in Antofagasta Challenger

Upcoming matches in the draw

Daniel Vallejo
More Stats
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Thanos

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