Daniel Bien
2024
| J200Villingen-Schwenningen | 1R | |
| J200Tainan | [6] | Semi |
| J200Rakovnik | [12] | 3R |
| J100Liepaja | [1] | Quarter |
| J100Prague-2 | [3] | 2R |
| J60Skopje-2 | [1] | 2R |
| J60Radomlje | [1] | Win |
| J60Telavi | [1] | Quarter |
| J60Gdansk | [2] | Final |
| J100Cakovec | [8] | 2R |
| J100Lamarsa | 2R | |
| J100Sousse | Semi | |
| J60Oslo | [2] | 1R |
| J100Nairobi | [4] | 2R |
| J60Nairobi | [3] | Final |
| J100Istanbul | [8] | 2R |
2023
| J60Dubai | [5] | Semi |
| J30Fujairah | [1] | Semi |
| J60Dakar-2 | [1] | Final |
| J200Rakovnik | 1R | |
| J30Beirut | [2] | 2R |
| J30Jounieh | [2] | Win |
| J60Zilina | [7] | Quarter |
| J60Yerevan | Semi | |
| J100Prague | 2R | |
| J30Hradeckralove | [1] | Quarter |
| J30Liberec | [1] | 1R |
| J30Tirana | [2] | Final |
| J30Skopje | [5] | Quarter |
Nation
CZE
Year-end Junior World Ranking
- Year-end 2024 280th
- Year-end 2023 511th
- Year-end 2022 1763th
- Year-end 2021 2715th
Match Details
2024 J200Villingen-Schwenningen
| L | 1R | Tom Frederik Siebold | 5-7 4-6 |
2024 J200Tainan
| W | 1R | Zi Yi Ou | 4-0 2-4 10-5 |
| W | 2R | Dillon Beckles | 47-5 4-1 10-3 |
| W | QF | Hikaru Takahashi | 4-0 1-4 10-4 |
| L | SF | Chun-Chien Hou | 0-4 2-4 |
2024 J200Rakovnik
| W | 2R | Alexander Gschiel | 6-1 6-1 |
| L | 3R | Gabriele Crivellaro | 7-5 4-6 2-6 |
2024 J100Liepaja
| W | 1R | Hlib Kovalenko | 6-4 6-2 |
| W | 2R | Nikita Gavrilonoks | 6-3 |
| L | QF | Jan Chlodnicki | 3-6 0-6 |
2024 J100Prague-2
| W | 1R | Tomas Krejci | 6-4 6-0 |
| L | 2R | Daniel Klocurek | 6-3 4-6 2-6 |
2024 J60Skopje-2
| L | 2R | Aleksandar Mitev | 6-3 6-7 2-6 |
2024 J60Radomlje
| W | 2R | Rocco Bukovec | 6-4 6-2 |
| W | 3R | Benjamin Scharner | 7-6 6-3 |
| W | QF | Matic Hribar | 6-1 6-3 |
| W | SF | Lorenzo Berto | 6-1 6-3 |
| W | F | Mattia Cappellari | 6-3 6-2 |
2024 J60Telavi
| W | 1R | Oleg Chiburaev | 6-1 6-2 |
| W | 2R | Arris Bahloul | 7-6 6-0 |
| L | QF | Ilya Maltsev | 4-6 4-6 |
2024 J60Gdansk
| W | 1R | Jan Urbanski | 7-6 6-2 |
| W | 2R | Sebastian Truszczynski | 6-2 6-1 |
| W | QF | Timothee Andriveau | 7-5 7-5 |
| W | SF | Kacper Knitter | 7-5 6-1 |
| L | F | Thomas Gunzinger | 3-6 4-6 |
2024 J100Cakovec
| L | 2R | Timo Rosenkranz Koenig | 2-6 5-7 |
2024 J100Lamarsa
| W | 1R | Marwan Rashad Janahi | 6-1 6-0 |
| L | 2R | Oswaldo Alejandro Reyes Tirado | 3-6 3-6 |
2024 J100Sousse
| W | 1R | Mohamed Sanad Bouhlel | 6-2 6-2 |
| W | 2R | Yuki Okahashi | 7-5 6-7 7-6 |
| W | QF | Hikaru Takahashi | 6-2 6-1 |
| L | SF | Ziga Sesko | 3-6 3-6 |
2024 J60Oslo
| L | 1R | Rihards Neimanis | 3-6 2-6 |
2024 J100Nairobi
| L | 2R | Balthazar Huss | 2-6 2-6 |
2024 J60Nairobi
| W | 2R | Mehdi Tahiri Alaoui | 6-3 6-1 |
| W | 3R | Alberto Ciarapica | 6-2 6-1 |
| W | QF | Marko Savija | 6-4 6-3 |
| W | SF | Cesare Carpano | 6-7 6-0 6-2 |
| L | F | Nikola Jovic | 0-6 2-6 |
2024 J100Istanbul
| W | 1R | Emre Atlamis | 6-2 6-3 |
| L | 2R | Utku Kerem Biberli | 2-6 5-7 |
2023 J60Dubai
| W | 1R | Nikola Lulic | 6-4 7-6 |
| W | 2R | Elvin Hashimov | 6-2 6-2 |
| W | QF | Denis Vishenchuk Vishenko | 6-4 6-2 |
| L | SF | Pavel Skvortcov | 6-4 4-6 5-7 |
2023 J30Fujairah
| W | 1R | Chris Jovan Gubza | 6-1 6-0 - - - |
| W | 2R | Khaled Ibrahim | 6-2 6-1 |
| W | QF | Artemii Lazarev | 6-2 6-1 |
| L | SF | Lenny Couturier | 4-6 7-5 6-7 |
2023 J60Dakar-2
| W | 1R | Milo Nardelli | 6-0 6-1 |
| W | 2R | Jayden Tjong | 6-3 6-3 |
| W | QF | Leander Tauber | 6-3 6-1 |
| W | SF | Oscar Rashed | 2-6 6-4 6-4 |
| L | F | Christopher Thies | 3-6 3-6 |
2023 J200Rakovnik
| L | 1R | Daniel Balascak | 1-6 0-6 |
2023 J30Beirut
| W | 1R | Armand Garabedian | 6-1 6-2 |
| L | 2R | Utku Kerem Biberli | 3-6 2-2 |
2023 J30Jounieh
| W | 1R | Mehmet Efe Cehreli | 6-1 6-3 |
| W | 2R | Zahi Farhat | 6-1 6-2 |
| W | QF | Petro Uzenkov | 7-6 6-0 |
| W | SF | Louay Makke | 2-6 6-2 3-2 |
| W | F | Haydar Cem Gokpinar | 6-3 7-5 |
2023 J60Zilina
| W | 2R | Dimitar Kisimov | 7-6 7-6 |
| W | 3R | Mateusz Miton | 3-6 7-5 6-3 |
| L | QF | Simon Norrman | 6-7 4-6 |
2023 J60Yerevan
| W | 1R | Ivan Nikolaev | 6-1 6-1 |
| W | 2R | Roman Valetov | 6-3 6-4 |
| W | QF | Vladimir Pavlov | 7-6 6-7 6-3 |
| L | SF | Roman Kharlamov | 6-4 1-6 1-6 |
2023 J100Prague
| W | 1R | Elias Sumann | 7-5 6-2 |
| L | 2R | Lukas Velik | 3-6 6-2 3-6 |
2023 J30Hradeckralove
| W | 1R | Dario Navarro | 4-6 6-4 6-2 |
| W | 2R | Daniel Stauch | 6-2 6-1 |
| L | QF | Sebastian Bielen | 4-6 1-6 |
2023 J30Liberec
| L | 1R | Samuel Guzon | 6-7 7-5 6-7 |
2023 J30Tirana
| W | 1R | Lir Bar Nachum | 6-1 6-0 |
| W | 2R | Achilefs Rafail Kousaridis | 6-3 6-3 |
| W | QF | Romeo Spinolo | 6-0 6-4 |
| W | SF | Nathan Mansfield | 6-2 7-5 |
| L | F | Sebastian Chodura | 5-7 1-6 |
2023 J30Skopje
| W | 1R | Marko Stoilkovski | 6-3 6-3 |
| W | 2R | Nikola Matovic | 6-3 6-1 |
| L | QF | Amar Huseinovic | 4-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5778, Number of registered players: 4,878, Number of registered results: 222,189