Daniel Siniakov and Jelle Sels will fight against each other in the qualifications of the Ostrava Challenger for the 1^st time in their career. They are scheduled to compete on Monday at 1:00 pm on COURT 3. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Jelle Sels who should win in 2 sets.

As per the initial odds, Jelle Sels is the pick to win this match.
Jelle Sels -> 1.155
Daniel Siniakov -> 4.8

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Prediction and head to head Daniel Siniakov vs. Jelle Sels

There is no head to head record between Daniel Siniakov and Jelle Sels since this will be the first time that they will play each other in the main tour.

Daniel Siniakov

Currently unranked, Siniakov reached the qualifications after defeating Enrico Dalla Valle 7-6(4) 7-6(1).

In the qualifications, Siniakov had a good straight sets win against Dalla Valle (7-6⁴ 7-6¹). During the match, Siniakov scored 95 points vs Dalla Valle’s 84. Siniakov was quite aggressive to blast 45 winners.

Regarding the service games, Siniakov fired 3 aces and he committed only 9 double faults. Daniel Siniakov lost the serve 3 times and he saved 11 break points. Furthermore, Siniakov put 71% of his first serves in, winning 62% (45/73) of the points behind his 1st serve and 50% (15/30) on the 2nd serve. Daniel broke Dalla Valle 3 times after converting 50% of his break points (3/6).

Siniakov has a winning record in the last 7 years having won 53% of his matches (82-73). 1-0 on clay in 2025. Regarding his performance on the same surface of this competition, Siniakov has a compiled54-55 win-loss record in the last 7 years on clay.

The Czech has an aggregate 1-0 win-loss record in 2025, 1-0 on clay (See FULL STATS).

Previously in the Ostrava Challenger

The Czech has never competed in this tournament before.

Jelle Sels

Ranked no. 316, the Dutch got to the qualifications after defeating Raul Brancaccio 3-6 6-3 6-1.

In the qualifications against Brancaccio, The Dutch recovered from a 1-set down deficit before winning (3-6 6-3 6-1). During the match Sels scored 95 points vs Brancaccio’s 74. Jelle was quite aggressive to blast 29 winners.

About the serving games, Sels scored just 1 ace during the entire match and he committed only 5 double faults. Overall, Jelle Sels was extremely efficient on serve to win 73% (29/40) of his 1st serve and 54% (20/37) on the second serve. However, this didn’t prevent his to concede the serve 4 times. Jelle broke Brancaccio 6 times after converting 35% of his break points (6/17).

Sels’s best result of the year was getting to the final in the Cherbourg Challenger.

Sels has a composed 11-12 win-loss record in 2025, 4-4 on clay (See FULL STATS).

Previously in the Ostrava Challenger

Previously, his best result was reaching the 2^nd round in 2019 and 2024. See his history.

H2H Performance in the tournament

Matches, sets, games and points

Points	Siniakov	Sels
Match played	1	1
Tot Set	2	3
Tot Games	26	25
Pts	95-84	95-74
Total Points	179	169
Winners	45	29
%Winners	47%	31%

Both Siniakov and Sels played 1 match. Also both players started their run from the qualifications.At the moment, Jelle Sels lost 1 set while Daniel Siniakov hasn’t conceded a set so far. Siniakov has played 1 set(s) less than Sels (2 vs 3). However, it’s interesting to notice that Siniakov played 1 game more than Sels. The Czech scored 45 winners (47% of the total points). On the other side, Sels made 29 winners (31%).

Serve Performance

Serve	Siniakov	Sels
Aces	3	1
Avg per match	3	1
1st in	73/103	40/77
%1st in	71%	52%
1st pts	45/73	29/40
%1st pts	62%	73%
2nd pts	15/30	20/37
%2nd pts	50%	54%

Siniakov struck 3 aces . Sels blasted 1 ace . Siniakov won 62% points behind his first serve. He was rock solid on his second serve to win 50% of the points. On the other side, Sels won 73% of the points behind his first serve. He had a solid display on his second serve to win 54% of the points.

How they played the important points

Breaks	Siniakov	Sels
Won	3	6
Converted	3/6	6/17
% Converted	50%	35%
Conceded	14	12
Saved	11	8
% Saved	79%	67%
Times Broken	3	4

Siniakov broke his opponent 3 times with a 50% conversion rate. Daniel conceded his serve 3 times and he saved 79% of the break points that he conceded. Jelle broke his opponent 6 times with a 35% conversion rate. Sels conceded his serve 4 times and he saved 67% of the break points that he conceded.

Siniakov
	Q1 Dalla Valle	Total
Score	7-64 7-61
Tot Set	2	2
Tot Games	26	26
pts	95-84	95-84
Total points	179	179
Winners	45	45
%Winners	47%	47%
SERVE
Aces	3	3
Double Faults	9	9
1st in	73/103	73/103
% 1st in	71%	71%
1st pts	45/73	45/73
% 1st pts	62%	62%
2nd pts	15/30	15/30
% 2nd pts	50%	50%
Breaks
Won	3	3
Converted	3/6	3/6
Converted %	50%	50%
Conceded	14	14
Saved	11/14	11
Saved %	79%	79%
Times Broken	3	3

Sels
	Q1 Brancaccio	Total
Score	3-6 6-3 6-1
Tot Set	3	3
Tot Games	25	25
pts	95-74	95-74
Total points	169	169
Winners	29	29
%Winners	31%	31%
SERVE
Aces	1	1
Double Faults	5	5
1st in	40/77	40/77
% 1st in	52%	52%
1st pts	29/40	29/40
% 1st pts	73%	73%
2nd pts	20/37	20/37
% 2nd pts	54%	54%
Breaks
Won	6	6
Converted	6/17	6/17
Converted %	35%	35%
Conceded	12	12
Saved	8/12	8
Saved %	67%	67%
Times Broken	4	4

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