Yeonsu Jeong and Yunseong Chung will clash against each other in the qualifications of the Seoul Challenger for the 1st time in their career. They are scheduled to play on Monday at 11:00 am on Court 13. Here the head to head stats and relative prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Yunseong Chung who should win in 2 sets.
As per the initial odds, Yunseong Chung is the pick to win this match.
Yunseong Chung -> 1.141
Yeonsu Jeong -> 4.75
Here where top tennis events are broadcasted or streamed online (ATP, WTA).
At the challenger level, there will be free live streaming on Challenger TV.
Prediction and head to head Yeonsu Jeong vs. Yunseong Chung
There is no head to head record between Yeonsu Jeong and Yunseong Chung since this will be the first time that they will play each other in the main tour.
Yeonsu Jeong
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 10-5 | 10-5 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2025 | 2-7 | 2-4 | 0-0 | 0-3 | 0-0 | 0-0 |
| 2024 | 0-2 | 0-2 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2023 | 0-2 | 0-1 | 0-1 | 0-0 | 0-0 | 0-0 |
| 2022 | 1-1 | 1-1 | 0-0 | 0-0 | 0-0 | 0-0 |
Currently unranked, Jeong reached the qualifications after defeating Evan Zhu 6-4 6-4.
In the qualifications, Yeonsu had a good straight sets win against Zhu (6-4 6-4). During the match, Jeong scored 65 points vs Zhu’s 58. The Korean was very aggressive to blast 29 winners.
Talking about the service games, Jeong scored just 1 ace in the match and he committed only 1 double fault. Yeonsu Jeong lost the serve once and he saved 3 break points. Furthermore, Jeong put 66% of his first serves in, winning 66% (29/44) of the points behind his 1st serve and 61% (14/23) on the 2nd serve. Jeong broke Zhu 3 times after converting 60% of his break points (3/5).
Jeong has a negative match record in the last 4 years having won 43% of his matches (13-17). 10-5 on hard in 2026. Regarding his performance on the same surface of this tournament, Jeong has an overall13-13 match record in the last 4 years on hard.
Yeonsu has an aggregate 10-5 win-loss record in 2026, 10-5 on hard (See FULL STATS).
Previously in the Seoul Challenger
Yeonsu has never competed in this tournament before.
Yunseong Chung
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 22-11 | 19-10 | 0-0 | 3-1 | 0-0 | 0-0 |
| 2025 | 18-10 | 18-10 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2024 | 14-17 | 14-17 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2023 | 30-22 | 20-16 | 5-4 | 3-1 | 2-1 | 0-0 |
| 2022 | 34-25 | 23-17 | 7-4 | 4-4 | 0-0 | 0-0 |
Ranked no. 752, the Korean got to the qualifications after beating Alexander Donski 6-3 6-4.
In the qualifications, Yunseong had a good straight sets win against Donski (6-3 6-4). During the match Chung scored 64 points vs Donski’s 53. Yunseong was extremely aggressive to blast 17 winners.
About the serving games, Chung made 5 aces and he committed only 1 double fault for the entire match. Overall, Yunseong Chung was very efficient on serve to win 74% (17/23) of his 1st serve and 55% (18/33) on the second serve. However, this didn’t prevent his to concede the serve twice. Chung broke Donski 5 times after converting 50% of his break points (5/10).
Chung’s best result of the season was getting to the semifinal in M25 Guiyang.
Chung has an overall 22-11 win-loss record in 2026, 19-10 on hard (See FULL STATS).
Previously in the Seoul Challenger
Previously, his best result was reaching the semifinal in 2023. See his history.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Jeong | Chung |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 2 |
| Tot Games | 20 | 19 |
| Pts | 65-58 | 64-53 |
| Total Points | 123 | 117 |
| Winners | 29 | 17 |
| %Winners | 45% | 27% |
Both Jeong and Chung 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, Jeong and Chung have played the same amount of sets 2. However, Jeong played 1 game more than Chung. Jeong scored 29 winners (45% of the total points). On the other side, The Korean fired 17 winners (27%).
Serve Performance
| Serve | Jeong | Chung |
|---|---|---|
| Aces | 1 | 5 |
| Avg per match | 1 | 5 |
| 1st in | 44/67 | 23/56 |
| %1st in | 66% | 41% |
| 1st pts | 29/44 | 17/23 |
| %1st pts | 66% | 74% |
| 2nd pts | 14/23 | 18/33 |
| %2nd pts | 61% | 55% |
Jeong bagged 1 ace . Chung also blasted 5 aces . Jeong won 66% points on his first serve. He pretty effective on his second serve to win 61% of the points. On the other side, Chung won 74% of the points behind 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 | Jeong | Chung |
|---|---|---|
| Won | 3 | 5 |
| Converted | 3/5 | 5/10 |
| % Converted | 60% | 50% |
| Conceded | 4 | 2 |
| Saved | 3 | 0 |
| % Saved | 75% | 0% |
| Times Broken | 1 | 2 |
The Korean broke his opponent 3 times with a 60% conversion rate. Jeong lost his serve once and he saved 75% of the break points that he conceded. The Korean broke his opponent 5 times with a 50% conversion rate. Yunseong conceded his serve twice and he saved 0% of the break points that he conceded.
| Jeong | |||
| Q1 Zhu |
Total | ||
|---|---|---|---|
| Score | 6-4 6-4 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 20 | 20 | |
| pts | 65-58 | 65-58 | |
| Total points | 123 | 123 | |
| Winners | 29 | 29 | |
| %Winners | 45% | 45% | |
| SERVE | |||
| Aces | 1 | 1 | |
| Double Faults | 1 | 1 | |
| 1st in | 44/67 | 44/67 | |
| % 1st in | 66% | 66% | |
| 1st pts | 29/44 | 29/44 | |
| % 1st pts | 66% | 66% | |
| 2nd pts | 14/23 | 14/23 | |
| % 2nd pts | 61% | 61% | |
| Breaks | |||
| Won | 3 | 3 | |
| Converted | 3/5 | 3/5 | |
| Converted % | 60% | 60% | |
| Conceded | 4 | 4 | |
| Saved | 3/4 | 3 | |
| Saved % | 75% | 75% | |
| Times Broken | 1 | 1 | |
| Chung | |||
| Q1 Donski |
Total | ||
|---|---|---|---|
| Score | 6-3 6-4 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 19 | 19 | |
| pts | 64-53 | 64-53 | |
| Total points | 117 | 117 | |
| Winners | 17 | 17 | |
| %Winners | 27% | 27% | |
| SERVE | |||
| Aces | 5 | 5 | |
| Double Faults | 1 | 1 | |
| 1st in | 23/56 | 23/56 | |
| % 1st in | 41% | 41% | |
| 1st pts | 17/23 | 17/23 | |
| % 1st pts | 74% | 74% | |
| 2nd pts | 18/33 | 18/33 | |
| % 2nd pts | 55% | 55% | |
| Breaks | |||
| Won | 5 | 5 | |
| Converted | 5/10 | 5/10 | |
| Converted % | 50% | 50% | |
| Conceded | 2 | 2 | |
| Saved | 0/2 | 0 | |
| Saved % | 0% | 0% | |
| Times Broken | 2 | 2 | |
Head 2 Head
WWWWWWWWWW
WWWWWWWWWW 
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