Lorenzo Carboni and Szymon Kielan will fight against each other in the qualifications of the Olbia Challenger for the 3rd time in their career. They are scheduled to play on Monday at 12:30 pm on CLOTO ARENA. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Lorenzo Carboni who should win in 2 sets.

As per the initial odds, Lorenzo Carboni is the pick to win this match.
Lorenzo Carboni -> 1.35
Szymon Kielan -> 3.02

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Prediction and head to head Lorenzo Carboni vs. Szymon Kielan

This will be the 3rd time that Lorenzo Carboni and Szymon Kielan play each other. The head to head is 1-1 for Carboni and Kielan (see full H2H stats),but they are 1-1 on hard.

The last time that they played, Kielan won 7-6(4) 1-6 6-4 in the 2nd round in M15 Monastir back in 2023.

Lorenzo Carboni

Lorenzo Carboni

47 - 26win/loss

Hard
25-9
I Hard
0-0
Clay
22-17
Rank
415
High
415
LWWWLWWLWW
Year Total Hard Clay I.hard Grass Carpet
2025 53-29 31-12 22-17 0-0 0-0 0-0
2024 18-26 8-7 10-19 0-0 0-0 0-0
2023 34-20 15-7 19-12 0-1 0-0 0-0

Ranked no. 450, Carboni got to the qualifications after beating Samir Hamza Reguig 6-2 6-0.

In the qualifications, The Italian had a good straight sets win against Hamza Reguig (6-2 6-0). During the match, Carboni scored 58 points vs Hamza Reguig’s 32. Lorenzo was quite aggressive to blast 23 winners.

Talking about the service games, Carboni blasted 2 aces and he committed only 1 double fault. Lorenzo Carboni conceded no breaks for the entire match to save 2 break points. Furthermore, Carboni put 67% of his first serves in, winning 88% (23/26) of the points behind his 1st serve and 46% (6/13) on the 2nd serve. Carboni broke Hamza Reguig 5 times after converting 50% of his break points (5/10).

Carboni has a winning win-loss record in the last 3 years having won 58% of his matches (99-72). 25-9 on hard in 2025. In connection with his performance on the same surface of this tournament, Carboni has an aggregate48-23 record in the last 3 years on hard.

Carboni’s best result of the year was reaching the final in M15 Monastir and M25 Lesa.

Carboni has an overall 47-26 win-loss record in 2025, 25-9 on hard (See FULL STATS).

Previously in the Olbia Challenger

Olbia Challenger
Carboni's Record

Szymon Kielan

Szymon Kielan

13 - 13win/loss

Hard
4-6
I Hard
4-2
Clay
3-4
Carpet
2-1
Rank
893
High
601
LWLLLWLWWL
Year Total Hard Clay I.hard Grass Carpet
2025 13-14 4-7 3-4 4-2 0-0 2-1
2024 18-22 10-9 5-10 3-3 0-0 0-0
2023 19-21 12-10 3-8 4-3 0-0 0-0
2022 25-20 8-9 13-8 4-3 0-0 0-0
2021 7-9 1-2 6-7 0-0 0-0 0-0

Ranked no. 893, Kielan reached the qualifications after beating Alessandro Spadola 6-4 6-2.

In the qualifications, The Pole had a good straight sets win against Spadola (6-4 6-2). During the match Kielan scored 60 points vs Spadola’s 46. Szymon was very aggressive to blast 27 winners.

Talking about serving, Kielan bagged 2 aces and he committed only 3 double faults. Szymon Kielan lost the serve twice and he saved 4 break points. Furthermore, Kielan put 68% of his first serves in, winning 69% (27/39) of the points behind his 1st serve and 44% (8/18) on the 2nd serve. The Pole broke Spadola 5 times after converting 71% of his break points (5/7).

Kielan has a composed 13-13 win-loss record in 2025, 4-6 on hard (See FULL STATS).

Previously in the Olbia Challenger

Szymon has never competed in this tournament before.

Olbia Challenger
Kielan's Record

H2H Performance in the tournament

L.Carboni
S.Kielan
1h:03
1h:03
Time on court​
1h:16
1h:16
1h:03
1h:03
Last match​
1h:16
1h:16
1
1
Match played
1
1
14
14
Games Played​
18
18
2
2
Set played​​
2
2
58
58
Total points​
60
60
58
58
Avg point​
60
60
23
23
Winners
27
27
23
23
Avg Winners​
27
27
40%
40%
Ratio winners
45%
45%
-- Serve --
2
2
Aces
2
2
2
2
Avg Aces
2
2
1
1
Double Faults
3
3
1
1
Avg Double Faults
3
3
23/26
23/26
1st won total​
27/39
27/39
!
88%
88%
1st won %
69%
69%
6/13
6/13
2nd won total​
8/18
8/18
46%
46%
2nd won %
44%
44%
-- Break Points --
5/10
5/10
BP won
5/7
5/7
5/10
5/10
Avg BP won
5/7
5/7
50%
50%
Won
!
71%
71%
2
2
Conceded
6
6
2
2
Avg Conceded
6
6
0
0
Broken
2
2
!
0
0
Avg Broken
2
2
2
2
Saved
4
4

Matches, sets, games and points

Points Carboni Kielan
Match played 1 1
Tot Set 2 2
Tot Games 14 18
Pts 58-32 60-46
Total Points 90 106
Winners 23 27
%Winners 40% 45%

Both Carboni and Kielan played 1 match. Also both players started their run from the qualifications.Both players have not dropped a single set in this event so far. Talking about their workload, Carboni and Kielan have played the same amount of sets 2. However, Carboni played 4 games less than Kielan. The Italian scored 23 winners (40% of the total points). On the other side, Kielan managed to score 27 winners (45%).

Serve Performance

Serve Carboni Kielan
Aces 2 2
Avg per match 2 2
1st in 26/39 39/57
%1st in 67% 68%
1st pts 23/26 27/39
%1st pts 88% 69%
2nd pts 6/13 8/18
%2nd pts 46% 44%

Carboni bagged 2 aces . Kielan fired 2 aces . Carboni won 88% points behind his first serve. He pretty effective on his second serve to win 46% of the points. On the other side, Kielan won 69% of the points behind his first serve. He had a solid display on his second serve to win 44% of the points.

How they played the important points

Breaks Carboni Kielan
Won 5 5
Converted 5/10 5/7
% Converted 50% 71%
Conceded 2 6
Saved 2 4
% Saved 100% 67%
Times Broken 0 2

The Italian broke his opponent 5 times with a 50% conversion rate. Carboni extremely effective on his serve as he has never conceded a single service game after saving 2 break points. The Pole broke his opponent 5 times with a 71% conversion rate. Szymon conceded his serve twice and he saved 67% of the break points that he conceded.

Carboni
Q1
Hamza
Total
Score 6-2 6-0
Tot Set 2 2
Tot Games 14 14
pts 58-32 58-32
Total points 90 90
Winners 23 23
%Winners 40% 40%
SERVE
Aces 2 2
Double Faults 1 1
1st in 26/39 26/39
% 1st in 67% 67%
1st pts 23/26 23/26
% 1st pts 88% 88%
2nd pts 6/13 6/13
% 2nd pts 46% 46%
Breaks
Won 5 5
Converted 5/10 5/10
Converted % 50% 50%
Conceded 2 2
Saved 2/2 2
Saved % 100% 100%
Times Broken 0 0
Kielan
Q1
Spadola
Total
Score 6-4 6-2
Tot Set 2 2
Tot Games 18 18
pts 60-46 60-46
Total points 106 106
Winners 27 27
%Winners 45% 45%
SERVE
Aces 2 2
Double Faults 3 3
1st in 39/57 39/57
% 1st in 68% 68%
1st pts 27/39 27/39
% 1st pts 69% 69%
2nd pts 8/18 8/18
% 2nd pts 44% 44%
Breaks
Won 5 5
Converted 5/7 5/7
Converted % 71% 71%
Conceded 6 6
Saved 4/6 4
Saved % 67% 67%
Times Broken 2 2

Upcoming matches in the draw