Alexander Blockx and Guy Den Ouden will square off in the quarter of the Prague Challenger for the 2^nd time in their career. They are scheduled to play on Friday at 11:00 am on COURT 2. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Guy Den Ouden who should win in 3 sets.

As per the initial odds, Guy Den Ouden is the pick to win this match.
Guy Den Ouden -> 1.7
Alexander Blockx -> 2.05

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Prediction and head to head Alexander Blockx vs. Guy Den Ouden

This will be the 2^nd time that Alexander Blockx and Guy Den Ouden face off. The head to head is 1-0 for Den (see full H2H stats), 1-0 on clay.

The last time that they played, Den won 6-2 6-2 in the 2^nd round in M25 Koksijde back in 2023.

Alexander Blockx

Ranked no. 145 (career-high), Blockx got to the quarter after defeating Hady Habib 6-4 6-2 and Jan Choinski 4-6 6-2 7-6(1).

In the 2^nd round against Choinski, Blockx recovered from a 1-set down deficit before winning (4-6 6-2 7-6¹). During the match, Blockx scored 119 points vs Choinski’s 109. The Belgian was extremely aggressive to blast 37 winners.

Talking about the service games, Blockx recorded 5 aces and he committed only 1 double fault. Alexander Blockx lost the serve 5 times and he saved 6 break points. Furthermore, Blockx put 54% of his first serves in, winning 67% (37/55) of the points behind his 1st serve and 48% (22/46) on the 2nd serve. The Belgian broke Choinski 6 times after converting 32% of his break points (6/19).

Overall Performance in this tournament

Blockx has dropped 1 set in this event to conquer 54% of the points he played.

Blockx has a solid record in the last 4 years having won 61% of his matches (89-56). 4-2 on clay in 2025. Talking about his performance on the same surface of this competition, Blockx has an overall24-16 record in the last 4 years on clay.

His best result of the season was winning the title the Oeiras 3 Challenger where he defeated Liam Draxl in the final 7-5 6-1.

Alexander has an aggregate 15-10 win-loss record in 2025, 4-2 on clay (See FULL STATS).

Previously in the Prague Challenger

Blockx has never competed in this tournament before.

Guy Den Ouden

Ranked no. 225 (career-high), Guy reached the quarter after beating Remy Bertola 6-1 6-2, Sascha Gueymard Wayenburg 6-3 6-1, Sumit Nagal 6-1 6-1 and Hynek Barton 6-3 6-2.

In the 1^st round, The Dutch had a good straight sets win against Nagal (6-1 6-1). During the match Den scored 62 points vs Nagal’s 35. Guy was quite aggressive to blast 17 winners.

Talking about serving, Den was unable to score even 1 ace for the entire match and he committed only 2 double faults. Guy Den Ouden lost the serve twice and he saved 3 break points. Furthermore, Den put 58% of his first serves in, winning 65% (17/26) of the points behind his 1st serve and 58% (11/19) on the 2nd serve. Den broke Nagal 7 times after converting 78% of his break points (7/9).

Guy’s best result of the current year was reaching the final in M25 Antalya,the Kigali 2 Challenger and M25 Santa Margherita di Pula.

The Dutch has a composed 26-9 win-loss record in 2025, 25-8 on clay (See FULL STATS).

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Blockx	Den
Match played	2	4
Tot Set	5	8
Tot Games	49	62
Pts	185-155	253-161
Total Points	340	414
Winners	62	80
%Winners	34%	32%

Blockx played 2 matches while Den competed in 4 matches. Den started his run from the qualifications while Blockx had a direct access to the main draw. At the moment, Alexander Blockx conceded 1 set while Guy Den Ouden hasn’t lost a set so far. Blockx has played 3 set(s) less than Den (5 vs 8). Therefore, Blockx played 13 games less than Den. Blockx scored 62 winners (34% of the total points). On the other side, Guy scored 80 winners (32%).

Serve Performance

Serve	Blockx	Den
Aces	6	4
Avg per match	3	1
1st in	87/155	114/203
%1st in	56%	56%
1st pts	62/87	80/114
%1st pts	71%	70%
2nd pts	34/68	46/89
%2nd pts	50%	52%

Blockx bagged 6 aces (3 per match). Den blasted 4 aces (1 per match). Blockx won 71% points behind his first serve. He pretty solid on his second serve to win 50% of the points. On the other side, Den won 70% of the points behind his first serve. He had a solid display on his second serve to win 52% of the points.

How they played the important points

Breaks	Blockx	Den
Won	10	23
Converted	10/25	23/37
% Converted	40%	62%
Conceded	14	19
Saved	8	12
% Saved	57%	63%
Times Broken	6	7

Blockx broke his opponents 10 times with a 40% conversion rate. The Belgian conceded his serve 6 times and he saved 57% of the break points that he conceded. Den broke his opponents 23 times with a 62% conversion rate. Den conceded his serve 7 times and he saved 63% of the break points that he conceded.

Blockx
	R1 Habib	R2 Choinski	Total
Score	6-4 6-2	4-6 6-2 7-61
Tot Set	2	3	5
Tot Games	18	31	49
pts	66-46	119-109	185-155
Total points	112	228	340
Winners	25	37	62
%Winners	38%	31%	34%
SERVE
Aces	1	5	6
Double Faults	3	1	4
1st in	32/54	55/101	87/155
% 1st in	59%	54%	56%
1st pts	25/32	37/55	62/87
% 1st pts	78%	67%	71%
2nd pts	12/22	22/46	34/68
% 2nd pts	55%	48%	50%
Breaks
Won	4	6	10
Converted	4/6	6/19	10/25
Converted %	67%	32%	40%
Conceded	3	11	14
Saved	2/3	6/11	8
Saved %	67%	55%	61%
Times Broken	1	5	6

Den
	Q1 Bertola	Q3 Gueymard Wayenburg	R1 Nagal	Total
Score	6-1 6-2	6-3 6-1	6-1 6-1
Tot Set	2	2	2	6
Tot Games	15	16	14	45
pts	60-32	60-37	62-35	182-104
Total points	92	97	97	286
Winners	15	18	17	50
%Winners	25%	30%	27%	27%
SERVE
Aces	2	2	0	4
Double Faults	2	1	2	5
1st in	20/44	26/48	26/45	72/137
% 1st in	45%	54%	58%	53%
1st pts	15/20	18/26	17/26	50/72
% 1st pts	75%	69%	65%	69%
2nd pts	16/24	11/22	11/19	38/65
% 2nd pts	67%	50%	58%	58%
Breaks
Won	5	6	7	18
Converted	5/9	6/11	7/9	18/29
Converted %	56%	55%	78%	62%
Conceded	1	2	5	8
Saved	0/1	0/2	3/5	3
Saved %	0%	0%	60%	30%
Times Broken	1	2	2	5

Tennis Scores in Prague Challenger

• David Pichler/Jurij RodionovPichler/Jurij Rodionov – Romain Arneodo/Manuel GuinardArneodo/Manuel Guinard (6-2 3-6 10-4) – Stats, scores, rankings

Upcoming matches in the draw

• Maxime ChazalChazal – Lukas KleinKlein (0-0) – H2H and prediction