Chun Hsin Tseng and Adolfo Daniel Vallejo will face off in the 1st round of the Prostejov Challenger for the 1st time in their career. They are scheduled to compete on Tuesday at 3:00 pm on COURT 1. 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 Chun Hsin Tseng who should win in 2 sets.
Chun Hsin Tseng -> 1.23
Adolfo Daniel Vallejo -> 3.82
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Prediction and head to head Chun Hsin Tseng vs. Adolfo Daniel Vallejo
There is no head to head record between Chun Hsin Tseng and Adolfo Daniel Vallejo since this will be the first time that they will play each other in the main tour.
Chun Hsin Tseng
21 - 17win/loss
122
83
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 33-35 | 6-12 | 21-15 | 5-5 | 1-3 | 0-0 |
| 2024 | 47-32 | 11-13 | 33-15 | 3-4 | 0-0 | 0-0 |
| 2023 | 21-25 | 9-8 | 12-15 | 0-1 | 0-1 | 0-0 |
| 2022 | 39-27 | 11-12 | 28-11 | 0-3 | 0-1 | 0-0 |
| 2021 | 39-25 | 9-8 | 30-15 | 0-2 | 0-0 | 0-0 |
Ranked no. 94, Hsin Tseng will start his run in the Prostejov Challenger after he won the title in the Vicenza Challenger after beating 6-3 6-4 Neumayer in the final.
Hsin Tseng has an overall 21-17 win-loss record in 2025, 16-11 on clay (See FULL STATS).
His best result of the current year was winning the title the Vicenza Challenger where he defeated Lukas Neumayer in the final 6-3 6-4.
Chun won his last 5 matches.
Talking about his overall career, Hsin Tseng has an overall 258-182 record. He has a positive 136-84 record on clay.
Previously in the Prostejov Challenger
Previously, his best result was reaching the final in 2024. See his history.
Adolfo Daniel Vallejo
16 - 14win/loss
143
143
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 50-28 | 1-4 | 49-24 | 0-0 | 0-0 | 0-0 |
| 2024 | 33-27 | 7-4 | 26-23 | 0-0 | 0-0 | 0-0 |
| 2023 | 30-25 | 6-8 | 24-17 | 0-0 | 0-0 | 0-0 |
| 2022 | 23-17 | 17-8 | 4-6 | 2-3 | 0-0 | 0-0 |
| 2021 | 1-2 | 0-0 | 1-2 | 0-0 | 0-0 | 0-0 |
Ranked no. 242, Daniel Vallejo will start his run in the Prostejov Challenger after he played his last match in the Vicenza Challenger where he lost 7-5 6-4 to Ajdukovic in the 2nd round on the 28th of May.
Adolfo has a composed 16-14 win-loss record in 2025, 15-12 on clay (See FULL STATS).
Daniel Vallejo’s best result of the current year was getting to the final in the Buenos Aires Challenger and M25 Punta del Este.
In terms of his career, The Paraguayan has an overall 105-85 record. He has a positive 72-60 record on clay.
Previously in the Prostejov Challenger
Daniel Vallejo has never competed in this tournament before.
Tennis Scores in Prostejov Challenger
- Jurij RodionovRodionov – Yu Hsiou HsuHsiou Hsu (6-4 6-4) – Stats, scores, rankings
- Hugo DellienDellien – Matteo MartineauMartineau (7-65 6-4) – Stats, scores, rankings
- Vitaliy SachkoSachko – Jakub MensikMensik (6-4 1-6 7-5) – Stats, scores, rankings
- Dimitar KuzmanovDimitar – Albert Ramos-VinolasAlbert (6-3 6-2) – See score progression
Upcoming matches in the draw
- Norbert GombosGombos – Dalibor SvrcinaSvrcina (1-0) – H2H and prediction
- Lukas KleinKlein – August HolmgrenHolmgren (2-0) – H2H and prediction
- Zsombor PirosPiros – Jonas ForejtekForejtek (2-0) – H2H and prediction
- Chun Hsin TsengHsin Tseng – (0-0) – H2H and prediction
- Filip Cristian JianuCristian Jianu – Nikolas Sanchez-IzquierdoSanchez-Izquierdo (1-0) – H2H and prediction
- Alejandro Moro CanasMoro Canas – Enrico Dalla ValleDalla Valle (0-0) – H2H and prediction