
Guido Ivan Justo and Mariano Kestelboim will play each other in the qualifications of the Santiago Challenger for the 4th time in their career. They are scheduled to compete on Monday at 10:00 am on CANCHA 1. Here the head to head stats and relative prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Mariano Kestelboim who should win in 3 sets.
As per the initial odds, Mariano Kestelboim is the pick to win this match.
Mariano Kestelboim -> 1.61
Guido Ivan Justo -> 2.22
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Prediction and head to head Guido Ivan Justo vs. Mariano Kestelboim
This will be the 4th time that Guido Ivan Justo and Mariano Kestelboim fight against each other. The head to head is 2-1 for Kestelboim (see full H2H stats), 2-1 on clay.
The last time that they squared off, Ivan Justo won 3-6 6-3 6-1 in the quarter in M15 Olavarria back in 2023.
Guido Ivan Justo
Year | Total | Hard | Clay | I.hard | Grass | Carpet |
---|---|---|---|---|---|---|
2025 | 15-10 | 0-0 | 15-10 | 0-0 | 0-0 | 0-0 |
2024 | 45-25 | 0-1 | 45-24 | 0-0 | 0-0 | 0-0 |
2023 | 31-17 | 4-3 | 27-13 | 0-1 | 0-0 | 0-0 |
2022 | 10-4 | 0-0 | 10-4 | 0-0 | 0-0 | 0-0 |
2021 | 2-9 | 1-5 | 1-4 | 0-0 | 0-0 | 0-0 |
Ranked no. 591 (career-high), the Argentine got to the qualifications after beating Nicolas Bruna 6-0 6-1.
In the qualifications, Ivan Justo had a good straight sets win against Bruna (6-0 6-1). During the match, Ivan Justo scored 53 points vs Bruna’s 24. Guido was pretty aggressive to blast 17 winners.
Regarding the service games, Ivan Justo scored just 1 ace for the entire match and he committed only 1 double fault. Guido Ivan Justo was pretty effective on serve to win 85% (17/20) of his 1st serve and 70% (7/10) on the second serve. This was the main reason for not conceding a single break during the match. Guido broke Bruna 6 times after converting 67% of his break points (6/9).
Ivan Justo has a winning match record in the last 7 years having won 59% of his matches (121-85). 5-3 on clay in 2024. Regarding his performance on the same surface of this tournament, Ivan Justo has a compiled108-71 record in the last 7 years on clay.
Ivan Justo has an overall 5-3 win-loss record in 2024, 5-3 on clay (See FULL STATS).
Previously in the Santiago Challenger
Ivan Justo has never competed in this tournament before.
Mariano Kestelboim
Year | Total | Hard | Clay | I.hard | Grass | Carpet |
---|---|---|---|---|---|---|
2025 | 18-10 | 0-0 | 18-10 | 0-0 | 0-0 | 0-0 |
2024 | 32-20 | 2-1 | 30-19 | 0-0 | 0-0 | 0-0 |
2023 | 20-11 | 2-1 | 18-10 | 0-0 | 0-0 | 0-0 |
2022 | 15-14 | 0-0 | 15-14 | 0-0 | 0-0 | 0-0 |
2021 | 22-23 | 1-4 | 21-19 | 0-0 | 0-0 | 0-0 |
Ranked no. 645, Mariano got to the qualifications after beating Facundo Mena 7-62 3-0 ret..
In the qualifications against Mena, the Argentine had a free pass after Mena retired on a 7-62 3-0 . scoreline.
The Argentine’s best result of the current year was getting to the final in M15 Villa Maria.
Kestelboim has a composed 9-2 win-loss record in 2024, 9-2 on clay (See FULL STATS).
H2H Performance in the tournament
Matches, sets, games and points
Points | Ivan Justo | Kestelboim |
---|---|---|
Match played | 1 | 1 |
Tot Set | 2 | 3 |
Tot Games | 13 | 16 |
Pts | 53-24 | 57-44 |
Total Points | 77 | 101 |
Winners | 17 | 26 |
%Winners | 32% | 46% |
Both Ivan Justo and Kestelboim played 1 match. Also both players started their run from the qualifications.Both players have not lost a single set in this event so far. Ivan Justo has played 1 set(s) less than Kestelboim (2 vs 3). Therefore, Ivan Justo played 3 games less than Kestelboim. The Argentine scored 17 winners (32% of the total points). On the other side, Kestelboim struck 26 winners (46%).
Serve Performance
Serve | Ivan Justo | Kestelboim |
---|---|---|
Aces | 1 | 1 |
Avg per match | 1 | 1 |
1st in | 20/30 | 34/48 |
%1st in | 67% | 71% |
1st pts | 17/20 | 26/34 |
%1st pts | 85% | 76% |
2nd pts | 7/10 | 8/14 |
%2nd pts | 70% | 57% |
Ivan Justo blasted 1 ace . Kestelboim also made 1 ace . Ivan Justo won 85% points on his first serve. He pretty solid on his second serve to win 70% of the points. On the other side, Kestelboim won 76% of the points behind his first serve. He had a solid display on his second serve to win 57% of the points.
How they played the important points
Breaks | Ivan Justo | Kestelboim |
---|---|---|
Won | 6 | 3 |
Converted | 6/9 | 3/4 |
% Converted | 67% | 75% |
Conceded | 0 | 2 |
Saved | 0 | 1 |
% Saved | 0% | 50% |
Times Broken | 0 | 1 |
Ivan Justo broke his opponent 6 times with a 67% conversion rate. Guido had a solid display on his serve as he has never surrendered a single service game after saving 0 break points. Mariano broke his opponent 3 times with a 75% conversion rate. Kestelboim conceded his serve once and he saved 50% of the break points that he conceded.
Ivan Justo | |||
Q1 Bruna |
Total | ||
---|---|---|---|
Score | 6-0 6-1 | ||
Tot Set | 2 | 2 | |
Tot Games | 13 | 13 | |
pts | 53-24 | 53-24 | |
Total points | 77 | 77 | |
Winners | 17 | 17 | |
%Winners | 32% | 32% | |
SERVE | |||
Aces | 1 | 1 | |
Double Faults | 1 | 1 | |
1st in | 20/30 | 20/30 | |
% 1st in | 67% | 67% | |
1st pts | 17/20 | 17/20 | |
% 1st pts | 85% | 85% | |
2nd pts | 7/10 | 7/10 | |
% 2nd pts | 70% | 70% | |
Breaks | |||
Won | 6 | 6 | |
Converted | 6/9 | 6/9 | |
Converted % | 67% | 67% | |
Conceded | 0 | 0 | |
Saved | 0/0 | 0 | |
Saved % | – | 0% | |
Times Broken | 0 | 0 |
Kestelboim | |||
Q1 Mena |
Total | ||
---|---|---|---|
Score | 7-62 3-0 ret. | ||
Tot Set | 2 | 2 | |
Tot Games | 16 | 16 | |
pts | 57-44 | 57-44 | |
Total points | 101 | 101 | |
Winners | 26 | 26 | |
%Winners | 46% | 46% | |
SERVE | |||
Aces | 1 | 1 | |
Double Faults | 1 | 1 | |
1st in | 34/48 | 34/48 | |
% 1st in | 71% | 71% | |
1st pts | 26/34 | 26/34 | |
% 1st pts | 76% | 76% | |
2nd pts | 8/14 | 8/14 | |
% 2nd pts | 57% | 57% | |
Breaks | |||
Won | 3 | 3 | |
Converted | 3/4 | 3/4 | |
Converted % | 75% | 75% | |
Conceded | 2 | 2 | |
Saved | 1/2 | 1 | |
Saved % | 50% | 50% | |
Times Broken | 1 | 1 |
Head 2 Head



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