Adolfo Daniel Vallejo and Andrea Pellegrino will clash against each other in the 1^st round of the Rosario Challenger for the 1^st time in their career. They are scheduled to compete on Tuesday at 3:00 pm on CANCHA 2. In this post, we analyze their head to head performance 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 -> 1.81
Andrea Pellegrino -> 1.92

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Prediction and head to head Adolfo Daniel Vallejo vs. Andrea Pellegrino

There is no head to head record between Adolfo Daniel Vallejo and Andrea Pellegrino since this will be the first time that they will fight against each other in the main tour.

Adolfo Daniel Vallejo

Ranked no. 211, Adolfo reached the 1^st round after defeating Luciano Emanuel Ambrogi 4-6 6-2 6-2 and Joel Schwaerzler 3-6 7-5 6-2.

Daniel Vallejo has a winning win-loss record in the last 6 years having won 56% of his matches (95-76). 5-3 on clay in 2025. In connection with his performance on the same surface of this tournament, Daniel Vallejo has an overall62-51 record in the last 6 years on clay.

Adolfo’s best result of the season was getting to the final in the Buenos Aires Challenger.

Daniel Vallejo has a composed 6-5 win-loss record in 2025, 5-3 on clay (See FULL STATS).

Previously in the Rosario Challenger

Adolfo has never competed in this tournament before.

Andrea Pellegrino

Ranked no. 254, the Italian got to the 1^st round after beating Valerio Aboian 6-3 6-1 and Lautaro Midon 2-6 6-3 6-4.

In the qualifications against Midon, Pellegrino recovered from a 1-set down deficit before winning (2-6 6-3 6-4). During the match Pellegrino and Midon scored the same amount of points (91). However, the world no. 211 was stronger during the important points and that was the most significant difference in the match. Pellegrino was extremely aggressive to blast 41 winners.

Talking about serving, Pellegrino couldn’t to score even 1 ace for the entire match and he committed only 3 double faults. Andrea Pellegrino lost the serve 5 times and he saved 5 break points. Furthermore, Pellegrino put 74% of his first serves in, winning 56% (41/73) of the points behind his 1st serve and 50% (13/26) on the 2nd serve. The Italian broke Midon 5 times after converting 63% of his break points (5/8).

Overall Performance in this tournament

Pellegrino started his run at this tournament from the qualifications. In the main draw, he has conceded 1 set in the tournament to win 54% of the points he played.

Andrea has an aggregate 3-3 win-loss record in 2025, 3-3 on clay (See FULL STATS)

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H2H Performance in the tournament

Matches, sets, games and points

Points	Daniel Vallejo	Pellegrino
Match played	1	2
Tot Set	3	5
Tot Games	26	43
Pts	94-80	159-134
Total Points	174	293
Winners	34	71
%Winners	36%	45%

Daniel Vallejo played 1 match while Pellegrino competed in 2 matches. Both players lost a set in the event. Adolfo Daniel Vallejo lost 1 set, while Andrea Pellegrino conceded 1 set. Daniel Vallejo has played 2 set(s) less than Pellegrino (3 vs 5). Therefore, Daniel Vallejo played 17 games less than Pellegrino. Adolfo scored 34 winners (36% of the total points). On the other side, The Italian scored 71 winners (45%).

Serve Performance

Serve	Daniel Vallejo	Pellegrino
Aces	1	1
Avg per match	1	0.5
1st in	53/92	113/153
%1st in	58%	74%
1st pts	34/53	71/113
%1st pts	64%	63%
2nd pts	25/39	20/40
%2nd pts	64%	50%

Daniel Vallejo struck 1 ace . Pellegrino also recorded 1 ace (0.5 per match). Daniel Vallejo won 64% points on his first serve. He pretty effective on his second serve to win 64% of the points. On the other side, Pellegrino won 63% of the points behind his first serve. He had a solid display on his second serve to win 50% of the points.

How they played the important points

Breaks	Daniel Vallejo	Pellegrino
Won	5	9
Converted	5/10	9/15
% Converted	50%	60%
Conceded	8	12
Saved	6	7
% Saved	75%	58%
Times Broken	2	5

Adolfo broke his opponent 5 times with a 50% conversion rate. The Paraguayan surrendered his serve twice and he saved 75% of the break points that he conceded. Andrea broke his opponents 9 times with a 60% conversion rate. Andrea conceded his serve 5 times and he saved 58% of the break points that he conceded.

Daniel Vallejo
	Q1 Emanuel Ambrogi	Q3 Schwaerzler	Total
Score	4-6 6-2 6-2	3-6 7-5 6-2
Tot Set	3	3	6
Tot Games	26	29	55
pts	94-80	–	94-80
Total points	174	0	174
Winners	34		34
%Winners	36%	0%	36%
SERVE
Aces	1	0	1
Double Faults	2		2
1st in	53/92	/	53/92
% 1st in	58%	0%	58%
1st pts	34/53	/	34/53
% 1st pts	64%	0%	64%
2nd pts	25/39	/	25/39
% 2nd pts	64%	0%	64%
Breaks
Won	5		5
Converted	5/10	/	5/10
Converted %	50%	0%	50%
Conceded	8		8
Saved	6/8	0/	6
Saved %	75%	–	38%
Times Broken	2		2

Pellegrino
	Q1 Aboian	Q3 Midon	Total
Score	6-3 6-1	2-6 6-3 6-4
Tot Set	2	3	5
Tot Games	16	27	43
pts	68-43	91-91	159-134
Total points	111	182	293
Winners	30	41	71
%Winners	44%	45%	45%
SERVE
Aces	1	0	1
Double Faults	1	3	4
1st in	40/54	73/99	113/153
% 1st in	74%	74%	74%
1st pts	30/40	41/73	71/113
% 1st pts	75%	56%	63%
2nd pts	7/14	13/26	20/40
% 2nd pts	50%	50%	50%
Breaks
Won	4	5	9
Converted	4/7	5/8	9/15
Converted %	57%	63%	60%
Conceded	2	10	12
Saved	2/2	5/10	7
Saved %	100%	50%	75%
Times Broken	0	5	5

Tennis Scores in Rosario Challenger

• Sumit NagalNagal – Renzo OlivoOlivo (5-7 6-1 6-0) – Stats, scores, rankings
• Juan Manuel CerundoloManuel Cerundolo – Juan Carlos Prado AngeloCarlos Prado Angelo (6-4 7-5) – Stats, scores, rankings
• Felipe Meligeni AlvesMeligeni Alves – Alexandre MullerMuller (6-4 6-4) – Stats, scores, rankings

Upcoming matches in the draw

• Marco TrungellitiTrungelliti – Damir DzumhurDzumhur (2-0) – H2H and prediction
• Facundo MenaMena – (0-0) – H2H and prediction
• Hugo DellienDellien – Chun Hsin TsengHsin Tseng (0-0) – H2H and prediction
• Federico CoriaCoria – (0-0) – H2H and prediction
• Dmitry PopkoPopko – Andrea CollariniCollarini (2-2) – H2H and prediction
• Daniel Elahi GalanElahi Galan – Francesco PassaroPassaro (0-1) – H2H and prediction
• Murkel Alejandro Dellien VelascoAlejandro Dellien Velasco – Mateus De Carvalho CardosoDe Carvalho Cardoso (2-0) – H2H and prediction
• Juan Pablo FicovichPablo Ficovich – (2-0) – H2H and prediction
• Camilo Ugo CarabelliUgo Carabelli – Diego Sebastian SchwartzmanSebastian Schwartzman (0-0) – H2H and prediction
• Thiago Agustin TiranteAgustin Tirante – Guido Ivan JustoIvan Justo (1-0) – H2H and prediction
• Sebastian BaezBaez – Emilio NavaNava (0-0) – H2H and prediction
• Francisco ComesanaComesana – (0-2) – H2H and prediction