Sebastian Baez and Chun Hsin Tseng will clash against each other in the quarter of the Rio Open for the 2^nd time in their career. They are scheduled to compete on Friday at 5:00 pm on QUADRA GUGA KUERTEN. In the following paragraphs, you can find the head to head analysis and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Sebastian Baez who should win in 2 sets.

As per the initial odds, Sebastian Baez is the pick to win this match.
Sebastian Baez -> 1.27
Chun Hsin Tseng -> 3.76

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Prediction and head to head Sebastian Baez vs. Chun Hsin Tseng

This will be the 2^nd time that Sebastian Baez and Chun Hsin Tseng face off. The head to head is 1-0 for Hsin (see full H2H stats), 1-0 on clay.

The last time that they played, Hsin won 6-3 3-6 6-4 in the 1^st round in the Sao Paulo Challenger back in 2020.

Sebastian Baez

Ranked no. 31, the Argentine reached the quarter after defeating Roman Andres Burruchaga 6-3 7-5 and Mariano Navone 6-4 1-6 6-3.

In the 2^nd round, Sebastian defeated Navone (6-4 1-6 6-3).During the match, Baez scored less points (2) than Navone. In fact, the world no. 31 won 81 points vs Navone’s. That means that Baez was more focused during the important points. The Argentine was pretty aggressive to blast 38 winners.

Talking about the service games, Baez wasn’t able to score even 1 ace in the course of the match and he committed only 3 double faults. Sebastian Baez lost the serve 5 times and he saved 10 break points. Furthermore, Baez put 69% of his first serves in, winning 62% (38/61) of the points behind his 1st serve and 41% (11/27) on the 2nd serve. Baez broke Navone 5 times after converting 42% of his break points (5/12).

Overall Performance in this tournament

Sebastian has conceded 1 set in this competition to conquer 52% of the points he played.

Baez has a solid match record in the last 10 years having won 63% of his matches (257-153). 6-2 on clay in 2025. In connection with his performance on the same surface of this event, Baez has an aggregate 218-91 win-loss record in the last years on clay.

Baez’s best result of the current season was getting to the semifinal in the Rosario Challenger.

Sebastian has a composed 6-4 win-loss record in 2025, 6-2 on clay (See FULL STATS).

Previously in Rio de Janeiro

Chun Hsin Tseng

Ranked no. 125, Hsin got to the quarter after beating Joao Lucas Reis Da Silva 6-7(0) 6-3 6-4, Marco Trungelliti 6-7(5) 6-0 6-4, Alejandro Tabilo 6-2 7-5 and Thiago Moura Monteiro 6-7(4) 6-3 7-6(4).

In the 2^nd round against Moura Monteiro, The Chinese recovered from a 1-set down deficit before winning (6-7⁴ 6-3 7-6⁴). During the match Hsin scored 119 points vs Moura Monteiro’s 110. Chun was extremely aggressive to blast 52 winners.

About the serving games, Hsin bagged 12 aces and he committed only 4 double faults. Overall, Chun Hsin Tseng was very efficient on serve to win 72% (52/72) of his 1st serve and 51% (30/59) on the second serve. However, this didn’t prevent his to concede the serve 3 times. The Chinese broke Moura Monteiro 4 times after converting 50% of his break points (4/8).

Overall Performance in this tournament

Hsin started his run at this tournament from the qualifications. In the main draw, he has conceded 3 set in the tournament to win 54% of the points he played.

Hsin has a composed 5-5 win-loss record in 2025, 4-2 on clay (See FULL STATS).

Previously in Rio de Janeiro

Hsin has never competed in this tournament before.

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Baez	Hsin
Match played	2	4
Tot Set	5	11
Tot Games	47	116
Pts	149-135	415-356
Total Points	284	771
Winners	66	179
%Winners	44%	43%

Baez played 2 matches while Hsin competed in 4 matches. Hsin started his run from the qualifications while Baez had a direct access to the main draw. Both players lost a set in the event. Sebastian Baez dropped 1 set, while Chun Hsin Tseng dropped 3 sets. Baez has played 6 set(s) less than Hsin (5 vs 11). Therefore, Baez played 69 games less than Hsin. Baez scored 66 winners (44% of the total points). On the other side, Hsin recorded 179 winners (43%).

Serve Performance

Serve	Baez	Hsin
Aces	2	26
Avg per match	1	6.5
1st in	106/151	248/413
%1st in	70%	60%
1st pts	66/106	179/248
%1st pts	62%	72%
2nd pts	25/45	76/165
%2nd pts	56%	46%

Baez recorded 2 aces (1 per match). Hsin managed to score 26 aces (6.5 per match). Baez won 62% points on his first serve. He very solid his second serve to win 56% of the points. On the other side, Hsin won 72% of the points on his first serve. He had a solid display on his second serve to win 46% of the points.

How they played the important points

Breaks	Baez	Hsin
Won	9	21
Converted	9/19	21/40
% Converted	47%	53%
Conceded	21	38
Saved	14	27
% Saved	67%	71%
Times Broken	7	11

The Argentine broke his opponents 9 times with a 47% conversion rate. Sebastian surrendered his serve 7 times and he saved 67% of the break points that he conceded. Chun broke his opponents 21 times with a 53% conversion rate. The Chinese conceded his serve 11 times and he saved 71% of the break points that he conceded.

Baez
	R1 Andres	R2 Navone	Total
Score	6-3 7-5	6-4 1-6 6-3
Tot Set	2	3	5
Tot Games	21	26	47
pts	68-52	81-83	149-135
Total points	120	164	284
Winners	28	38	66
%Winners	41%	47%	44%
SERVE
Aces	2	0	2
Double Faults	2	3	5
1st in	45/63	61/88	106/151
% 1st in	71%	69%	70%
1st pts	28/45	38/61	66/106
% 1st pts	62%	62%	62%
2nd pts	14/18	11/27	25/45
% 2nd pts	78%	41%	56%
Breaks
Won	4	5	9
Converted	4/7	5/12	9/19
Converted %	57%	42%	47%
Conceded	6	15	21
Saved	4/6	10/15	14
Saved %	67%	67%	67%
Times Broken	2	5	7

Hsin
	Q1 Lucas Reis Da	Q3 Trungelliti	R1 Tabilo	R2 Moura Monteiro	Total
Score	6-70 6-3 6-4	6-75 6-0 6-4	6-2 7-5	6-74 6-3 7-64
Tot Set	3	3	2	3	11
Tot Games	32	29	20	35	116
pts	106-101	111-88	79-57	119-110	415-356
Total points	207	199	136	229	771
Winners	54	44	29	52	179
%Winners	51%	40%	37%	44%	43%
SERVE
Aces	3	5	6	12	26
Double Faults	8	5	2	4	19
1st in	68/106	69/112	39/64	72/131	248/413
% 1st in	64%	62%	61%	55%	60%
1st pts	54/68	44/69	29/39	52/72	179/248
% 1st pts	79%	64%	74%	72%	72%
2nd pts	12/38	21/43	13/25	30/59	76/165
% 2nd pts	32%	49%	52%	51%	46%
Breaks
Won	4	8	5	4	21
Converted	4/6	8/13	5/13	4/8	21/40
Converted %	67%	62%	38%	50%	53%
Conceded	7	13	9	9	38
Saved	5/7	9/13	7/9	6/9	27
Saved %	71%	69%	78%	67%	143%
Times Broken	2	4	2	3	11

Tennis Scores in Rio De Janeiro

• Luciano Darderi/Mariano NavoneDarderi/Mariano Navone – Orlando Luz/Felipe Meligeni AlvesLuz/Felipe Meligeni Alves (3-6 7-5 10-6) – Stats, scores, rankings
• Maximo Gonzalez/Andres MolteniGonzalez/Andres Molteni – Marcelo Demoliner/Fernando RomboliDemoliner/Fernando Romboli (7-5 7-6⁰) – Stats, scores, rankings

Upcoming matches in the draw

• Alexander ZverevZverev – Francisco ComesanaComesana (0-0) – H2H and prediction
• Alexandre MullerMuller – Tomas Martin EtcheverryMartin Etcheverry (0-0) – H2H and prediction
• Camilo Ugo CarabelliUgo Carabelli – (0-0) – H2H and prediction
• Sebastian BaezBaez – Chun Hsin TsengHsin Tseng (0-1) – H2H and prediction