Lukas Klein and Jakub Paul will square off in the semifinal of the Zug Challenger for the 2^nd time in their career. They are scheduled to play on Sunday at 10:00 am on CENTER COURT. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Lukas Klein who should win in 3 sets.

As per the initial odds, Lukas Klein is the pick to win this match.
Lukas Klein -> 1.42
Jakub Paul -> 2.7

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Prediction and head to head Lukas Klein vs. Jakub Paul

This will be the 2^nd time that Lukas Klein and Jakub Paul square off. The head to head is 1-0 for Klein (see full H2H stats), but they have never competed against each other on clay.

The last time that they competed against each other, Klein won 6-4 6-3 in the final in M15 Sharm El Sheikh back in 2019.

Lukas Klein

Ranked no. 147, the Slovakian reached the semifinal after defeating Santiago Rodriguez Taverna 6-3 6-3, Henry Bernet 6-4 3-6 6-3 and Marc-Andrea Huesler 6-2 7-5.

In the quarter, Lukas had a good straight sets win against Huesler (6-2 7-5). During the match, Klein scored 82 points vs Huesler’s 65. Klein was very aggressive to blast 31 winners.

Regarding the service games, Klein scored 12 aces and he committed only 2 double faults. Lukas Klein was very efficient on serve to win 86% (31/36) of his 1st serve and 57% (13/23) on the second serve. This was the main reason for not conceding a single break during the match. Lukas broke Huesler 3 times after converting 16% of his break points (3/19).

Overall Performance in this tournament

The Slovakian has lost 1 set in this event to conquer 53% of the points he played.

Klein has a solid win-loss record in the last 10 years having won 62% of his matches (344-213). 15-8 on clay in 2025. In connection with his performance on the same surface of this tournament, Klein has a composed 156-100 match record in the last years on clay.

His best result of the season was winning the title the San Marino Challenger where he overcame Dino Prizmic in the final 6-3 6-4.

The Slovakian has a composed 24-18 win-loss record in 2025, 15-8 on clay (See FULL STATS).

Previously in the Zug Challenger

The Slovakian has never competed in this tournament before.

Jakub Paul

Ranked no. 350, Jakub got to the semifinal after beating Jeffrey Von Der Schulenburg 6-2 6-2, Buvaysar Gadamauri 7-5 6-4, Maximilian Neuchrist 6-4 6-3, Calvin Hemery 6-3 6-1 and Facundo Diaz Acosta 6-2 7-5.

In the quarter, Paul had a good straight sets win against Diaz Acosta (6-2 7-5). During the match Paul scored 87 points vs Diaz Acosta’s 72. Jakub was extremely aggressive to blast 35 winners.

About the serving games, Paul recorded 2 aces and he committed only 2 double faults. Jakub Paul lost the serve 4 times and he saved 9 break points. Furthermore, Paul put 67% of his first serves in, winning 58% (35/60) of the points behind his 1st serve and 43% (13/30) on the 2nd serve. Jakub broke Diaz Acosta 7 times after converting 44% of his break points (7/16).

Overall Performance in this tournament

Paul started his run at this tournament from the qualifications. In the main draw, he hasn’t lost yet a set in this tournament to conquer 57% of the points he played.

The Swiss’s best result of the current year was getting to the semifinal in the Koblenz Challenger.

Paul has an aggregate 28-14 win-loss record in 2025, 12-6 on clay (See FULL STATS).

Previously in the Zug Challenger

Previously, his best result was reaching the 1^st round in 2024. See his history.

H2H Performance in the tournament (main draw)

Matches, sets, games and points

Points	Klein	Paul
Match played	3	5
Tot Set	7	10
Tot Games	66	93
Pts	233-204	350-262
Total Points	437	612
Winners	104	139
%Winners	45%	40%

Klein played 3 matches while Paul competed in 5 matches. Paul started his run from the qualifications while Klein had a direct access to the main draw. At the moment, Lukas Klein dropped 1 set while Jakub Paul hasn’t conceded a set so far. Klein has played 3 set(s) less than Paul (7 vs 10). Therefore, Klein played 27 games less than Paul. Lukas scored 104 winners (45% of the total points). On the other side, Jakub scored 139 winners (40%).

Serve Performance

Serve	Klein	Paul
Aces	20	11
Avg per match	6.7	2.2
1st in	129/199	198/294
%1st in	65%	67%
1st pts	104/129	139/198
%1st pts	81%	70%
2nd pts	35/70	56/96
%2nd pts	50%	58%

Klein blasted 20 aces (6.7 per match). Paul scored 11 aces (2.2 per match). Klein won 81% points on his first serve. He extremely effective on his second serve to win 50% of the points. On the other side, Paul won 70% 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	Klein	Paul
Won	8	23
Converted	8/32	23/55
% Converted	25%	42%
Conceded	12	25
Saved	11	18
% Saved	92%	72%
Times Broken	1	7

The Slovakian broke his opponents 8 times with a 25% conversion rate. Lukas conceded his serve once and he saved 92% of the break points that he conceded. The Swiss broke his opponents 23 times with a 42% conversion rate. Paul conceded his serve 7 times and he saved 72% of the break points that he conceded.

Klein
	R1 Rodriguez	R2 Bernet	1/4 Huesler	Total
Score	6-3 6-3	6-4 3-6 6-3	6-2 7-5
Tot Set	2	3	2	7
Tot Games	18	28	20	66
pts	65-49	86-90	82-65	233-204
Total points	114	176	147	437
Winners	26	47	31	104
%Winners	40%	55%	38%	45%
SERVE
Aces	3	5	12	20
Double Faults	2	3	2	7
1st in	35/57	58/83	36/59	129/199
% 1st in	61%	70%	61%	65%
1st pts	26/35	47/58	31/36	104/129
% 1st pts	74%	81%	86%	81%
2nd pts	14/22	8/25	13/23	35/70
% 2nd pts	64%	32%	57%	50%
Breaks
Won	3	2	3	8
Converted	3/5	2/8	3/19	8/32
Converted %	60%	25%	16%	25%
Conceded	5	2	5	12
Saved	5/5	1/2	5/5	11
Saved %	100%	50%	100%	83%
Times Broken	0	1	0	1

Paul
	Q1 Von Der Schulenburg	Q3 Gadamauri	R1 Neuchrist	R2 Hemery	1/4 Diaz	Total
Score	6-2 6-2	7-5 6-4	6-4 6-3	6-3 6-1	6-2 7-5
Tot Set	2	2	2	2	2	10
Tot Games	16	22	19	16	20	93
pts	55-34	80-66	73-55	55-35	87-72	350-262
Total points	89	146	128	90	159	612
Winners	18	34	26	26	35	139
%Winners	33%	43%	36%	47%	40%	40%
SERVE
Aces	1	2	3	3	2	11
Double Faults	1	0	0	0	2	3
1st in	23/41	48/64	36/56	31/43	60/90	198/294
% 1st in	56%	75%	64%	72%	67%	67%
1st pts	18/23	34/48	26/36	26/31	35/60	139/198
% 1st pts	78%	71%	72%	84%	58%	70%
2nd pts	12/18	11/16	13/20	7/12	13/30	56/96
% 2nd pts	67%	69%	65%	58%	43%	58%
Breaks
Won	5	3	4	4	7	23
Converted	5/7	3/15	4/11	4/6	7/16	23/55
Converted %	71%	20%	36%	67%	44%	42%
Conceded	2	3	6	1	13	25
Saved	1/2	2/3	5/6	1/1	9/13	18
Saved %	50%	67%	83%	100%	69%	123%
Times Broken	1	1	1	0	4	7

Tennis Scores in Zug Challenger

• Ji Sung Nam/Takeru YuzukiSung Nam/Takeru Yuzuki – Lukas Pokorny/Giorgio RiccaPokorny/Giorgio Ricca (6-4 6-4) – Stats, scores, rankings
• Geoffrey Blancaneaux/Harold MayotBlancaneaux/Harold Mayot – Szymon Kielan/Filip PieczonkaKielan/Filip Pieczonka (7-6⁶ 4-6 10-3) – Stats, scores, rankings

Upcoming matches in the draw

• Jakub PaulPaul – Lukas KleinKlein (0-1) – H2H and prediction