Kasidit Samrej and Takuya Kumasaka will play each other in the qualifications of the Seoul Challenger for the 5th time in their career. They are scheduled to play on Monday at 1:30 pm on COURT 2. In the following lines you can find the head to head analysis and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Kasidit Samrej who should win in 3 sets.
Kasidit Samrej -> 1.79
Takuya Kumasaka -> 1.95
Click here to see the updated quotes and live streaming (only selected countries - USA excluded).
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 Kasidit Samrej vs. Takuya Kumasaka
This will be the 5th time that Kasidit Samrej and Takuya Kumasaka face off. The head to head is 4-0 for Samrej (see full H2H stats), 4-0 on hard.
The last time that they locked horns, Samrej won 6-3 1-6 10-5 in the quarter in M25 Hong Kong back in 2023.
Kasidit Samrej
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 47-31 | 28-26 | 0-0 | 19-5 | 0-0 | 0-0 |
| 2024 | 38-23 | 34-19 | 0-1 | 4-3 | 0-0 | 0-0 |
| 2023 | 23-20 | 23-19 | 0-0 | 0-1 | 0-0 | 0-0 |
| 2022 | 25-16 | 25-16 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2021 | 2-4 | 2-4 | 0-0 | 0-0 | 0-0 | 0-0 |
Ranked no. 411, Kasidit reached the qualifications after defeating Duckhee Lee 6-1 6-3.
In the qualifications, The Thai had a good straight sets win against Hee Lee (6-1 6-3). During the match, Samrej scored 65 points vs Hee Lee’s 38. The Thai was very aggressive to blast 21 winners.
Talking about the service games, Samrej bagged 3 aces and he committed only 2 double faults. Overall, Kasidit Samrej was extremely efficient on serve to win 75% (21/28) of his 1st serve and 60% (12/20) on the second serve. However, this didn’t prevent his to concede the serve once. Kasidit broke Hee Lee 5 times after converting 56% of his break points (5/9).
Samrej has a winning win-loss record in the last 9 years having won 57% of his matches (151-113). 25-24 on hard in 2025. In connection with his performance on the same surface of this event, Samrej has a compiled129-105 match record in the last 9 years on hard.
The Thai’s best result of the current year was getting to the final in M15 Maanshan and M15 Singapore.
Kasidit has an aggregate 43-27 win-loss record in 2025, 25-24 on hard (See FULL STATS).
Previously in the Seoul Challenger
Takuya Kumasaka
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 44-22 | 44-22 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2024 | 33-22 | 31-19 | 2-1 | 0-2 | 0-0 | 0-0 |
| 2023 | 33-24 | 18-12 | 15-12 | 0-0 | 0-0 | 0-0 |
| 2022 | 22-14 | 22-14 | 0-0 | 0-0 | 0-0 | 0-0 |
| 2021 | 8-8 | 8-6 | 0-2 | 0-0 | 0-0 | 0-0 |
Ranked no. 527, Kumasaka reached the qualifications after beating Maxim Zhukov 3-6 6-4 6-1.
In the qualifications against Zhukov, The Japanese recovered from a 1-set down deficit before winning (3-6 6-4 6-1). During the match Kumasaka scored 92 points vs Zhukov’s 80. The Japanese was quite aggressive to blast 29 winners.
About the serving games, Kumasaka scored just 1 ace during the entire match and he was extremely steady in conceding no double faults for the entire match. Takuya Kumasaka lost the serve twice and he saved 1 break points. Furthermore, Kumasaka put 63% of his first serves in, winning 63% (29/46) of the points behind his 1st serve and 74% (20/27) on the 2nd serve. The Japanese broke Zhukov 4 times after converting 40% of his break points (4/10).
The Japanese’s best result of the current year was getting to the final in Tokyo,M15 Tsukuba and M15 Nakhon Pathom.
The Japanese has an overall 41-18 win-loss record in 2025, 41-18 on hard (See FULL STATS).
Previously in the Seoul Challenger
Takuya has never competed in this tournament before.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Samrej | Kumasaka |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 3 |
| Tot Games | 16 | 26 |
| Pts | 65-38 | 92-80 |
| Total Points | 103 | 172 |
| Winners | 21 | 29 |
| %Winners | 32% | 32% |
Both Samrej and Kumasaka played 1 match. Also both players started their run from the qualifications.At the moment, Takuya Kumasaka dropped 1 set while Kasidit Samrej hasn’t surrendered a set so far. Samrej has played 1 set(s) less than Kumasaka (2 vs 3). Therefore, Samrej played 10 games less than Kumasaka. The Thai scored 21 winners (32% of the total points). On the other side, Takuya struck 29 winners (32%).
Serve Performance
| Serve | Samrej | Kumasaka |
|---|---|---|
| Aces | 3 | 1 |
| Avg per match | 3 | 1 |
| 1st in | 28/48 | 46/73 |
| %1st in | 58% | 63% |
| 1st pts | 21/28 | 29/46 |
| %1st pts | 75% | 63% |
| 2nd pts | 12/20 | 20/27 |
| %2nd pts | 60% | 74% |
Samrej managed to score 3 aces . Kumasaka managed to score 1 ace . Samrej won 75% points behind his first serve. He pretty effective on his second serve to win 60% of the points. On the other side, Kumasaka won 63% of the points behind his first serve. He had a solid display on his second serve to win 74% of the points.
How they played the important points
| Breaks | Samrej | Kumasaka |
|---|---|---|
| Won | 5 | 4 |
| Converted | 5/9 | 4/10 |
| % Converted | 56% | 40% |
| Conceded | 3 | 3 |
| Saved | 2 | 1 |
| % Saved | 67% | 33% |
| Times Broken | 1 | 2 |
Samrej broke his opponent 5 times with a 56% conversion rate. Samrej surrendered his serve once and he saved 67% of the break points that he conceded. Takuya broke his opponent 4 times with a 40% conversion rate. The Japanese conceded his serve twice and he saved 33% of the break points that he conceded.
| Samrej | |||
| Q1 Hee Lee | Total | ||
|---|---|---|---|
| Score | 6-1 6-3 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 16 | 16 | |
| pts | 65-38 | 65-38 | |
| Total points | 103 | 103 | |
| Winners | 21 | 21 | |
| %Winners | 32% | 32% | |
| SERVE | |||
| Aces | 3 | 3 | |
| Double Faults | 2 | 2 | |
| 1st in | 28/48 | 28/48 | |
| % 1st in | 58% | 58% | |
| 1st pts | 21/28 | 21/28 | |
| % 1st pts | 75% | 75% | |
| 2nd pts | 12/20 | 12/20 | |
| % 2nd pts | 60% | 60% | |
| Breaks | |||
| Won | 5 | 5 | |
| Converted | 5/9 | 5/9 | |
| Converted % | 56% | 56% | |
| Conceded | 3 | 3 | |
| Saved | 2/3 | 2 | |
| Saved % | 67% | 67% | |
| Times Broken | 1 | 1 | |
| Kumasaka | |||
| Q1 Zhukov | Total | ||
|---|---|---|---|
| Score | 3-6 6-4 6-1 | ||
| Tot Set | 3 | 3 | |
| Tot Games | 26 | 26 | |
| pts | 92-80 | 92-80 | |
| Total points | 172 | 172 | |
| Winners | 29 | 29 | |
| %Winners | 32% | 32% | |
| SERVE | |||
| Aces | 1 | 1 | |
| Double Faults | 0 | 0 | |
| 1st in | 46/73 | 46/73 | |
| % 1st in | 63% | 63% | |
| 1st pts | 29/46 | 29/46 | |
| % 1st pts | 63% | 63% | |
| 2nd pts | 20/27 | 20/27 | |
| % 2nd pts | 74% | 74% | |
| Breaks | |||
| Won | 4 | 4 | |
| Converted | 4/10 | 4/10 | |
| Converted % | 40% | 40% | |
| Conceded | 3 | 3 | |
| Saved | 1/3 | 1 | |
| Saved % | 33% | 33% | |
| Times Broken | 2 | 2 | |
Upcoming matches in the draw
- James DuckworthDuckworth – Rio NoguchiNoguchi (1-0) – H2H and prediction
- Ji Sung NamSung Nam – Uisung ParkPark (1-0) – H2H and prediction
- Frederico Ferreira SilvaFerreira Silva – Garrett JohnsJohns (0-0) – H2H and prediction
- Taro DanielDaniel – Yasutaka UchiyamaUchiyama (2-0) – H2H and prediction
- Omar JasikaJasika – Sho ShimabukuroShimabukuro (0-0) – H2H and prediction
- Yunseong ChungChung – Yuki MochizukiMochizuki (0-1) – H2H and prediction
- Renta TokudaTokuda – Elias YmerYmer (0-1) – H2H and prediction
- Yusuke TakahashiTakahashi – (0-1) – H2H and prediction
- Masamichi ImamuraImamura – Michael VrbenskyVrbensky (0-0) – H2H and prediction
- Sanhui ShinShin – (0-0) – H2H and prediction
- Duje AjdukovicAjdukovic – Yu Hsiou HsuHsiou Hsu (0-0) – H2H and prediction
- Oliver CrawfordCrawford – (0-1) – H2H and prediction
- Kasidit SamrejSamrej – Takuya KumasakaKumasaka (4-0) – H2H and prediction
- Woobin ShinShin – Marc-Andrea HueslerHuesler (0-0) – H2H and prediction