Johannes Haerteis and Jeremy Jahn will square off in the qualifications of the Koblenz Challenger for the 3rd time in their career. They are scheduled to compete on Monday at 11:00 am on CENTER COURT. In the following paragraphs, you can find the head to head analysis and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Jeremy Jahn who should win in 3 sets.
As per the initial odds, Jeremy Jahn is the pick to win this match.
Jeremy Jahn -> 1.68
Johannes Haerteis -> 2.09
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Prediction and head to head Johannes Haerteis vs. Jeremy Jahn
This will be the 3rd time that Johannes Haerteis and Jeremy Jahn play each other. The head to head is 2-0 for Jahn (see full H2H stats), 1-0 on indoor hard courts.
The last time that they locked horns, Jahn won 6-4 6-2 in the qualifications in the Heilbronn Challenger back in 2015.
Johannes Haerteis
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2023 | 16-21 | 6-6 | 7-7 | 2-4 | 0-0 | 1-4 |
| 2022 | 22-21 | 7-6 | 6-9 | 5-4 | 0-0 | 4-2 |
| 2021 | 11-22 | 4-6 | 1-10 | 3-4 | 0-0 | 3-2 |
| 2020 | 20-13 | 3-3 | 2-3 | 10-4 | 0-0 | 5-3 |
| 2019 | 19-26 | 0-2 | 14-16 | 2-6 | 0-0 | 3-2 |
Ranked no. 654, the German reached the qualifications after beating Andrea Arnaboldi 6-4 6-4.
In the qualifications, The German had a good straight sets win against Arnaboldi (6-4 6-4). During the match, Haerteis scored 68 points vs Arnaboldi’s 51. The German was pretty aggressive to blast 33 winners.
Regarding the service games, Haerteis made 7 aces and he committed only 1 double fault. Johannes Haerteis was pretty effective on serve to win 89% (33/37) of his 1st serve and 58% (7/12) on the second serve. This was the main reason for not conceding a single break during the match. Haerteis broke Arnaboldi twice after converting 25% of his break points (2/8).
Haerteis has good match record in the last 10 years having won 52% of his matches (206-193). 1-0 on indoor hard courts in 2023. Talking about his performance on the same surface of this tournament, Haerteis has an aggregate 41-31 record in the last years on indoor hard courts.
Johannes has an overall 1-1 win-loss record in 2023, 1-0 on indoor hard courts (See FULL STATS).
Previously in the Koblenz Challenger
Jeremy Jahn
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2023 | 25-25 | 0-0 | 23-20 | 2-5 | 0-0 | 0-0 |
| 2022 | 20-21 | 0-0 | 17-16 | 3-5 | 0-0 | 0-0 |
| 2021 | 2-12 | 0-0 | 1-9 | 1-3 | 0-0 | 0-0 |
| 2020 | 0-2 | 0-0 | 0-0 | 0-1 | 0-0 | 0-1 |
| 2019 | 32-19 | 2-4 | 21-12 | 9-3 | 0-0 | 0-0 |
Ranked no. 658, Jeremy reached the qualifications after defeating Maxime Mora 6-1 6-2.
In the qualifications, Jeremy had a good straight sets win against Mora (6-1 6-2). During the match Jahn scored 66 points vs Mora’s 42. Jahn was extremely aggressive to blast 23 winners.
Talking about serving, Jahn made 2 aces and he committed only 3 double faults. Jeremy Jahn was exceptionally efficient on serve to win 79% (23/29) of his 1st serve and 62% (13/21) on the second serve. This was the main reason for not conceding a single break during the match. Jeremy broke Mora 4 times after converting 40% of his break points (4/10).
Jahn has a composed 2-1 win-loss record in 2023, 2-1 on indoor hard courts (See FULL STATS).
H2H Performance in the tournament
Matches, sets, games and points
| Points | Haerteis | Jahn |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 2 |
| Tot Games | 20 | 15 |
| Pts | 68-51 | 66-42 |
| Total Points | 119 | 108 |
| Winners | 33 | 23 |
| %Winners | 49% | 35% |
Both Haerteis and Jahn played 1 match. Also both players started their run from the qualifications.Both players have not conceded a single set in this event so far. Talking about their workload, Haerteis and Jahn have played the same amount of sets 2. However, Haerteis played 5 games more than Jahn. The German scored 33 winners (49% of the total points). On the other side, Jahn made 23 winners (35%).
Serve Performance
| Serve | Haerteis | Jahn |
|---|---|---|
| Aces | 7 | 2 |
| Avg per match | 7 | 2 |
| 1st in | 37/49 | 29/50 |
| %1st in | 76% | 58% |
| 1st pts | 33/37 | 23/29 |
| %1st pts | 89% | 79% |
| 2nd pts | 7/12 | 13/21 |
| %2nd pts | 58% | 62% |
Haerteis scored 7 aces . Jahn made 2 aces . Haerteis won 89% points on his first serve. He quite strong on his second serve to win 58% of the points. On the other side, Jahn won 79% of the points behind his first serve. He had a solid display on his second serve to win 62% of the points.
How they played the important points
| Breaks | Haerteis | Jahn |
|---|---|---|
| Won | 2 | 4 |
| Converted | 2/8 | 4/10 |
| % Converted | 25% | 40% |
| Conceded | 0 | 4 |
| Saved | 0 | 4 |
| % Saved | 0% | 100% |
| Times Broken | 0 | 0 |
Haerteis broke his opponent twice with a 25% conversion rate. Johannes pretty effective on his serve as he has never dropped a single service game after saving 0 break points. Jahn broke his opponent 4 times with a 40% conversion rate. The German was rock solid on his serve as he has never conceded a single service game after saving 4 break points.
| Haerteis | |||
| Q1 Arnaboldi |
Total | ||
|---|---|---|---|
| Score | 6-4 6-4 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 20 | 20 | |
| pts | 68-51 | 68-51 | |
| Total points | 119 | 119 | |
| Winners | 33 | 33 | |
| %Winners | 49% | 49% | |
| SERVE | |||
| Aces | 7 | 7 | |
| Double Faults | 1 | 1 | |
| 1st in | 37/49 | 37/49 | |
| % 1st in | 76% | 76% | |
| 1st pts | 33/37 | 33/37 | |
| % 1st pts | 89% | 89% | |
| 2nd pts | 7/12 | 7/12 | |
| % 2nd pts | 58% | 58% | |
| Breaks | |||
| Won | 2 | 2 | |
| Converted | 2/8 | 2/8 | |
| Converted % | 25% | 25% | |
| Conceded | 0 | 0 | |
| Saved | 0/0 | 0 | |
| Saved % | – | 0% | |
| Times Broken | 0 | 0 | |
| Jahn | |||
| Q1 Mora |
Total | ||
|---|---|---|---|
| Score | 6-1 6-2 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 15 | 15 | |
| pts | 66-42 | 66-42 | |
| Total points | 108 | 108 | |
| Winners | 23 | 23 | |
| %Winners | 35% | 35% | |
| SERVE | |||
| Aces | 2 | 2 | |
| Double Faults | 3 | 3 | |
| 1st in | 29/50 | 29/50 | |
| % 1st in | 58% | 58% | |
| 1st pts | 23/29 | 23/29 | |
| % 1st pts | 79% | 79% | |
| 2nd pts | 13/21 | 13/21 | |
| % 2nd pts | 62% | 62% | |
| Breaks | |||
| Won | 4 | 4 | |
| Converted | 4/10 | 4/10 | |
| Converted % | 40% | 40% | |
| Conceded | 4 | 4 | |
| Saved | 4/4 | 4 | |
| Saved % | 100% | 100% | |
| Times Broken | 0 | 0 | |
Head 2 Head
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