Zizou Bergs and Reilly Opelka will fight against each other in the semifinal of the Libema Open for the 2nd time in their career. They are scheduled to play on Saturday at 5:00 pm on CENTRE COURT. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Reilly Opelka who should win in 3 sets.

As per the initial odds, Reilly Opelka is the pick to win this match.
Reilly Opelka -> 1.727
Zizou Bergs -> 2.11

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Prediction and head to head Zizou Bergs vs. Reilly Opelka

This will be the 2nd time that Zizou Bergs and Reilly Opelka clash against each other. The head to head is 1-0 for Bergs (see full H2H stats), but they have never competed against each other on grass.

The last time that they competed against each other, Bergs won 6-4 3-6 7-6(1) in the 1st round in Winston salem back in 2024.

Highlights Zizou Bergs vs Reilly Opelka – Winston salem 18-August-2024

Zizou Bergs

Zizou Bergs

23 - 13win/loss

Hard
12-7
I Hard
5-1
Clay
2-5
Grass
4-0
Rank
43
High
39
LWLLWWWWLW
Year Total Hard Clay I.hard Grass Carpet
2025 32-28 20-16 2-5 6-3 4-4 0-0
2024 47-29 9-9 17-7 15-9 6-4 0-0
2023 38-27 8-7 16-7 9-10 5-3 0-0
2022 39-30 7-5 7-7 17-16 8-2 0-0
2021 38-21 2-5 15-10 21-6 0-0 0-0

Ranked no. 63, Bergs got to the semifinal after beating Alexander Blockx 6-3 1-6 7-6(3), Alexei Popyrin 6-7(3) 6-2 7-6(3) and Mark Lajal 7-6(2) 7-6(4).

In the quarter, The Belgian had a good straight sets win against Lajal (7-62 7-64). During the match, Bergs scored 99 points vs Lajal’s 91. The Belgian was extremely aggressive to blast 37 winners.

Regarding the service games, Bergs managed to score 8 aces and he committed only 3 double faults. Overall, Zizou Bergs was quite efficient on serve to win 79% (37/47) of his 1st serve and 52% (23/44) on the second serve. However, this didn’t prevent his to concede the serve twice. Zizou broke Lajal twice after converting 18% of his break points (2/11).

Overall Performance in this tournament

Zizou has lost 2 set in this competition to conquer 51% of the points he played.

Bergs has a solid record in the last 10 years having won 63% of his matches (323-193). 3-0 on grass in 2025. In connection with his performance on the same surface of this event, Bergs has a compiled 22-9 match record in the last years on grass.

Zizou’s best result of the current season was reaching the final in Auckland.

Zizou has a composed 22-13 win-loss record in 2025, 3-0 on grass (See FULL STATS).

Previously in ‘s-Hertogenbosch

's-Hertogenbosch
Bergs's Record

Reilly Opelka

Reilly Opelka

20 - 15win/loss

Hard
9-6
I Hard
2-1
Clay
5-6
Grass
4-2
Rank
50
High
17
LLWLWWWWLL
Year Total Hard Clay I.hard Grass Carpet
2025 33-28 14-11 5-6 7-6 7-5 0-0
2024 8-10 2-8 0-0 3-1 3-1 0-0
2023 1-0 0-0 0-0 1-0 0-0 0-0
2022 21-15 10-7 6-5 4-0 1-3 0-0
2021 21-23 14-11 6-4 1-6 0-2 0-0

Ranked no. 87, Opelka got to the semifinal after beating Denis Yevseyev 6-1 7-6(6), Mark Lajal 7-6(3) 6-3, Jesper De Jong 6-7(5) 7-6(5) 6-2, Nicolas Jarry 7-6(5) 6-3 and Daniil Medvedev 7-6(5) 7-6(5).

In the quarter, Reilly had a good straight sets win against Medvedev (7-65 7-65). During the match Opelka scored 80 points vs Medvedev’s 75. Opelka was exceptionally aggressive to blast 47 winners.

About the serving games, Opelka buried his opponent with 24 aces and he was exceptionally solid in conceding no double faults for the entire match. Reilly Opelka was very efficient on serve to win 84% (47/56) of his 1st serve and 59% (13/22) on the second serve. This was the main reason for not conceding a single break during the match.

Overall Performance in this tournament

Reilly started his run at this tournament from the qualifications. In the main draw, he has conceded 1 set in the tournament to win 53% of the points he played.

Opelka’s best result of the year was reaching the final in Brisbane.

Reilly has an overall 20-14 win-loss record in 2025, 4-1 on grass (See FULL STATS)

.

Previously in ‘s-Hertogenbosch

Opelka has never competed in this tournament before.

's-Hertogenbosch
Opelka's Record

H2H Performance in the tournament (main draw)

Z.Bergs
R.Opelka
8h:18
8h:18
Time on court​
8h:20
8h:20
!
2h:27
2h:27
Last match​
1h:36
1h:36
3
3
Match played
!
5
5
89
89
Games Played​
124
124
8
8
Set played​​
11
11
341
341
Total points​
391
391
113.7
113.7
Avg point​
78.2
78.2
131
131
Winners
194
194
43.7
43.7
Avg Winners​
38.8
38.8
38%
38%
Ratio winners
50%
50%
-- Serve --
20
20
Aces
79
79
6.7
6.7
Avg Aces
!
15.8
15.8
26
26
Double Faults
12
12
!
8.7
8.7
Avg Double Faults
2.4
2.4
131/181
131/181
1st won total​
194/240
194/240
!
72%
72%
1st won %
!
81%
81%
75/163
75/163
2nd won total​
80/142
80/142
46%
46%
2nd won %
56%
56%
-- Break Points --
11/36
11/36
BP won
8/17
8/17
3.7/12
3.7/12
Avg BP won
1.6/3.4
1.6/3.4
31%
31%
Won
47%
47%
43
43
Conceded
19
19
14.3
14.3
Avg Conceded
3.8
3.8
10
10
Broken
4
4
3.3
3.3
Avg Broken
!
0.8
0.8
33
33
Saved
15
15

Matches, sets, games and points

Points Bergs Opelka
Match played 3 4
Tot Set 8 9
Tot Games 89 102
Pts 341-327 339-304
Total Points 668 643
Winners 131 166
%Winners 38% 49%

Bergs played 3 matches while Opelka competed in 4 matches. Opelka started his run from the qualifications while Bergs had a direct access to the main draw. Both players lost a set in the event. Zizou Bergs lost 2 sets, while Reilly Opelka surrendered 1 set. Bergs has played 1 set(s) less than Opelka (8 vs 9). Therefore, Bergs played 13 games less than Opelka. The Belgian scored 131 winners (38% of the total points). On the other side, Opelka managed to score 166 winners (49%).

Serve Performance

Serve Bergs Opelka
Aces 20 71
Avg per match 6.7 17.8
1st in 181/344 204/325
%1st in 53% 63%
1st pts 131/181 166/204
%1st pts 72% 81%
2nd pts 75/163 66/121
%2nd pts 46% 55%

Bergs made 20 aces (6.7 per match). Opelka struck 71 aces (17.8 per match). Bergs won 72% points behind his first serve. He extremely effective on his second serve to win 46% of the points. On the other side, Opelka won 81% of the points on his first serve. He had a solid display on his second serve to win 55% of the points.

How they played the important points

Breaks Bergs Opelka
Won 11 8
Converted 11/36 8/17
% Converted 31% 47%
Conceded 43 18
Saved 33 15
% Saved 77% 83%
Times Broken 10 3

Bergs broke his opponents 11 times with a 31% conversion rate. Zizou surrendered his serve 10 times and he saved 77% of the break points that he conceded. Opelka broke his opponents 8 times with a 47% conversion rate. Opelka conceded his serve 3 times and he saved 83% of the break points that he conceded.

Bergs
R1
Blockx
R2
Popyrin
1/4
Lajal
Total
Score 6-3 1-6 7-63 6-73 6-2 7-63 7-62 7-64
Tot Set 3 3 2 8
Tot Games 29 34 26 89
pts 109-114 133-122 99-91 341-327
Total points 223 255 190 668
Winners 54 40 37 131
%Winners 50% 30% 37% 38%
SERVE
Aces 5 7 8 20
Double Faults 12 11 3 26
1st in 72/125 62/128 47/91 181/344
% 1st in 58% 48% 52% 53%
1st pts 54/72 40/62 37/47 131/181
% 1st pts 75% 65% 79% 72%
2nd pts 20/53 32/66 23/44 75/163
% 2nd pts 38% 48% 52% 46%
Breaks
Won 2 7 2 11
Converted 2/8 7/17 2/11 11/36
Converted % 25% 41% 18% 31%
Conceded 16 18 9 43
Saved 13/16 13/18 7/9 33
Saved % 81% 72% 78% 77%
Times Broken 3 5 2 10
Opelka
Q1
Yevseyev
Q3
Lajal
R1
De
R2
Jarry
1/4
Medvedev
Total
Score 6-1 7-66 7-63 6-3 6-75 7-65 6-2 7-65 6-3 7-65 7-65
Tot Set 2 2 3 2 2 11
Tot Games 20 22 34 22 26 124
pts 76-66 119-108 64-55 80-75 339-304
Total points 142 0 227 119 155 643
Winners 37 48 34 47 166
%Winners 49% 0% 40% 53% 59% 49%
SERVE
Aces 16 0 19 12 24 71
Double Faults 5 3 2 0 10
1st in 45/78 / 63/107 40/62 56/78 204/325
% 1st in 58% 0% 59% 65% 72% 63%
1st pts 37/45 / 48/63 34/40 47/56 166/204
% 1st pts 82% 0% 76% 85% 84% 81%
2nd pts 13/33 / 28/44 12/22 13/22 66/121
% 2nd pts 39% 0% 64% 55% 59% 55%
Breaks
Won 3 3 2 0 8
Converted 3/4 / 3/9 2/3 0/1 8/17
Converted % 75% 0% 33% 67% 0% 47%
Conceded 4 10 1 3 18
Saved 3/4 0/ 9/10 0/1 3/3 15
Saved % 75% 90% 0% 100% 88%
Times Broken 1 1 1 0 3

Tennis Scores in ‘s Hertogenbosch

  • Julian Cash/Lloyd GlasspoolCash/Lloyd GlasspoolAriel Behar/Joran VliegenBehar/Joran Vliegen (6-3 7-66) – Stats, scores, rankings
  • Matthew Ebden/Jordan ThompsonEbden/Jordan ThompsonNikola Mektic/Michael VenusMektic/Michael Venus (7-5 6-75 10-6) – Stats, scores, rankings

Upcoming matches in the draw