Jan Choinski and Zdenek Kolar will fight against each other in the semifinal of the Bad Waltersdorf Challenger for the 4^th time in their career. They are scheduled to compete on Saturday at 12:00 pm on CENTER COURT. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Jan Choinski who should win in 3 sets.

As per the initial odds, Jan Choinski is the pick to win this match.
Jan Choinski -> 1.615
Zdenek Kolar -> 2.19

Click here to see the updated quotes and live streaming (only selected countries - USA excluded).

To be able to watch live streaming bet365, a funded account is required or you need to have placed a bet in the last 24 hours. 18+ BeGambleAware.

Here where top tennis events are broadcasted or streamed online (ATP, WTA).

At the challenger level, there will be free live streaming on Challenger TV.

 

Prediction and head to head Jan Choinski vs. Zdenek Kolar

This will be the 4^th time that Jan Choinski and Zdenek Kolar clash against each other. The head to head is 2-1 for Kolar (see full H2H stats),but they are 1-1 on clay.

The last time that they fought against each other, Choinski won 2-6 6-3 7-5 in the 2^nd round in the Bad Waltersdorf Challenger back in 2023.

Jan Choinski

Ranked no. 227, Jan got to the semifinal after defeating Vitaliy Sachko 6-1 6-4, Marko Topo 2-6 6-1 7-6(6) and Francesco Passaro 7-6(4) 6-3.

In the quarter, Choinski had a good straight sets win against Passaro (7-6⁴ 6-3). During the match, Choinski scored 75 points vs Passaro’s 62. The Brit was very aggressive to blast 32 winners.

Regarding the service games, Choinski made 9 aces and he committed only 2 double faults. Overall, Jan Choinski was extremely effective on serve to win 76% (32/42) of his 1st serve and 68% (19/28) on the second serve. However, this didn’t prevent his to concede the serve once. The Brit broke Passaro twice after converting 67% of his break points (2/3).

Overall Performance in this tournament

Choinski has conceded 1 set in this competition to win 55% of the points he played.

Choinski has positive match record in the last 10 years having won 59% of his matches (324-228). 21-13 on clay in 2025. In connection with his performance on the same surface of this event, Choinski has an overall 191-111 record in the last years on clay.

His best result of the current year was conquering the title the Troyes Challenger where he overcame Calvin Hemery in the final 6-4 6-7(4) 6-2 and the Bunschoten Challenger where he defeated Kimmer Coppejans in the final 6-4 3-6 6-3.

The Brit has an overall 27-22 win-loss record in 2025, 21-13 on clay (See FULL STATS).

Previously in the Bad Waltersdorf Challenger

Zdenek Kolar

Ranked no. 270, Zdenek reached the semifinal after beating Nikita Mashtakov 6-2 6-2, Neil Oberleitner 6-1 6-2, Matej Dodig 6-4 6-4, Gabriele Piraino 6-1 1-6 6-2 and Roman Andres Burruchaga 6-0 6-4.

In the quarter, Kolar had a good straight sets win against Andres Burruchaga (6-0 6-4). During the match Kolar scored 68 points vs Andres Burruchaga’s 45. Kolar was quite aggressive to blast 27 winners.

About the serving games, Kolar couldn’t to score even 1 ace for the entire match and he committed only 4 double faults. Zdenek Kolar lost the serve twice and he saved 3 break points. Furthermore, Kolar put 59% of his first serves in, winning 77% (27/35) of the points behind his 1st serve and 33% (8/24) on the 2nd serve. Zdenek broke Andres Burruchaga 6 times after converting 55% of his break points (6/11).

Overall Performance in this tournament

The Czech started his run at this tournament from the qualifications. In the main draw, he has conceded 1 set in the tournament to win 58% of the points he played.

His best result of the season was conquering the title the Sofia 1 Challenger where he overcame Murkel Dellien in the final 6-2 6-2.

Zdenek has an aggregate 54-23 win-loss record in 2025, 51-21 on clay (See FULL STATS).

Previously in the Bad Waltersdorf Challenger

Previously, his best result was reaching the 2^nd round in 2023. See his history.

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Choinski	Kolar
Match played	3	5
Tot Set	7	11
Tot Games	67	89
Pts	250-208	325-231
Total Points	458	556
Winners	101	129
%Winners	40%	40%

Choinski played 3 matches while Kolar competed in 5 matches. Kolar started his run from the qualifications while Choinski had a direct access to the main draw. Both players lost a set in the event. Jan Choinski lost 1 set, while Zdenek Kolar dropped 1 set. Choinski has played 4 set(s) less than Kolar (7 vs 11). Therefore, Choinski played 22 games less than Kolar. Jan scored 101 winners (40% of the total points). On the other side, The Czech blasted 129 winners (40%).

Serve Performance

Serve	Choinski	Kolar
Aces	25	10
Avg per match	8.3	2
1st in	141/220	165/274
%1st in	64%	60%
1st pts	101/141	129/165
%1st pts	72%	78%
2nd pts	47/79	63/109
%2nd pts	59%	58%

Choinski struck 25 aces (8.3 per match). Kolar scored 10 aces (2 per match). Choinski won 72% points behind his first serve. He quite strong on his second serve to win 59% of the points. On the other side, Kolar won 78% of the points on his first serve. He had a solid display on his second serve to win 58% of the points.

How they played the important points

Breaks	Choinski	Kolar
Won	10	20
Converted	10/24	20/41
% Converted	42%	49%
Conceded	15	16
Saved	11	12
% Saved	73%	75%
Times Broken	4	4

The Brit broke his opponents 10 times with a 42% conversion rate. Choinski surrendered his serve 4 times and he saved 73% of the break points that he conceded. The Czech broke his opponents 20 times with a 49% conversion rate. Kolar conceded his serve 4 times and he saved 75% of the break points that he conceded.

Choinski
	R1 Sachko	R2 Topo	1/4 Passaro	Total
Score	6-1 6-4	2-6 6-1 7-66	7-64 6-3
Tot Set	2	3	2	7
Tot Games	17	28	22	67
pts	69-51	106-95	75-62	250-208
Total points	120	201	137	458
Winners	25	44	32	101
%Winners	36%	42%	43%	40%
SERVE
Aces	3	13	9	25
Double Faults	1	2	2	5
1st in	38/54	61/96	42/70	141/220
% 1st in	70%	64%	60%	64%
1st pts	25/38	44/61	32/42	101/141
% 1st pts	66%	72%	76%	72%
2nd pts	12/16	16/35	19/28	47/79
% 2nd pts	75%	46%	68%	59%
Breaks
Won	4	4	2	10
Converted	4/9	4/12	2/3	10/24
Converted %	44%	33%	67%	42%
Conceded	4	7	4	15
Saved	4/4	4/7	3/4	11
Saved %	100%	57%	75%	77%
Times Broken	0	3	1	4

Kolar
	Q1 Mashtakov	Q3 Oberleitner	R1 Dodig	R2 Piraino	1/4 Andres	Total
Score	6-2 6-2	6-1 6-2	6-4 6-4	6-1 1-6 6-2	6-0 6-4
Tot Set	2	2	2	3	2	11
Tot Games	16	15	20	22	16	89
pts	59-34	61-34	67-59	70-59	68-45	325-231
Total points	93	95	126	129	113	556
Winners	25	23	24	30	27	129
%Winners	42%	38%	36%	43%	40%	40%
SERVE
Aces	1	0	3	6	0	10
Double Faults	5	2	2	2	4	15
1st in	29/50	25/38	34/60	42/67	35/59	165/274
% 1st in	58%	66%	57%	63%	59%	60%
1st pts	25/29	23/25	24/34	30/42	27/35	129/165
% 1st pts	86%	92%	71%	71%	77%	78%
2nd pts	12/21	9/13	19/26	15/25	8/24	63/109
% 2nd pts	57%	69%	73%	60%	33%	58%
Breaks
Won	4	4	2	4	6	20
Converted	4/6	4/10	2/7	4/7	6/11	20/41
Converted %	67%	40%	29%	57%	55%	49%
Conceded	0	0	2	9	5	16
Saved	0/0	0/0	2/2	7/9	3/5	12
Saved %	–	–	100%	78%	60%	79%
Times Broken	0	0	0	2	2	4

Tennis Scores in Bad Waltersdorf Challenger

• Jan ChoinskiChoinski – Francesco PassaroPassaro (7-6⁴ 6-3) – See score progression
• Roberto Carballes BaenaCarballes Baena – Hynek BartonBarton (6-3 6-4) – See score progression
• Vit KoprivaKopriva – Pablo Carreno-BustaCarreno-Busta (6-2 0-6 6-1) – See score progression
• Zdenek KolarKolar – Roman Andres BurruchagaAndres Burruchaga (6-0 6-4) – See score progression
• Ivan Sabanov/Matej SabanovSabanov/Matej Sabanov – Neil Oberleitner/Joel SchwaerzlerOberleitner/Joel Schwaerzler (6-7⁷ 6-3 15-13) – See score progression
• Roberto Carballes BaenaCarballes Baena – Hynek BartonBarton (6-3 6-4) – See score progression
• Vit KoprivaKopriva – Pablo Carreno-BustaCarreno-Busta (6-2 0-6 6-1) – See score progression

Upcoming matches in the draw

• Roberto Carballes BaenaCarballes Baena – Vit KoprivaKopriva (2-2) – H2H and prediction
• Jan ChoinskiChoinski – Zdenek KolarKolar (1-2) – H2H and prediction