Denis Petak
2024
| J500Plantation | 1R | |
| J300Bradenton | 1R | |
| Us Open Junior | 1R | |
| J300Repentigny | 1R | |
| J300Roehampton | 1R | |
| Roland Garros Junior | 1R | |
| J300Charleroi-Marcinelle | Quarter | |
| J200St.Poelten | [2] | 2R |
| J500Offenbach | 1R | |
| J200Haskovo | [4] | 2R |
| J300Plovdiv | Quarter | |
| J300Villena | [13] | 3R |
| J500Cairo | [14] | 2R |
| J200Oberhaching | [4] | 2R |
| J200Bratislava | [1] | Win |
2023
| J100Trnava-2 | [1] | Quarter |
| J300Sanxenxo | 2R | |
| J200Vigo | [7] | 1R |
| J200Rakovnik | [3] | 2R |
| J200Novisad | [6] | 1R |
| J300Prague | [12] | Quarter |
| J300Bytom | [11] | 2R |
| J100Prague | [1] | Semi |
| J300Bamberg | 1R |
Nation
CZE
Generation
Born in 2006 (18-19 years old)
World Ranking
ATP Ranking　1541th
Year-end Junior World Ranking
- Year-end 2024 73th
- Year-end 2023 109th
- Year-end 2022 178th
- Year-end 2021 1131th
Match Details
2024 J500Plantation
| L | 1R | Ognjen Milic | 7-6 6-7 |
2024 J300Bradenton
| L | 1R | Jagger Leach | 2-6 5-7 |
2024 Us Open Junior
| L | 1R | Jagger Leach | 3-6 4-6 |
2024 J300Repentigny
| L | 1R | Keaton Hance | 3-6 2-6 |
2024 J300Roehampton
| L | 1R | Hayden Jones | 6-7 4-6 |
2024 Roland Garros Junior
| L | 1R | Timeo Trufelli | 1-6 7-6 3-6 |
2024 J300Charleroi-Marcinelle
| W | 1R | Hoyoung Roh | 7-5 6-0 |
| W | 2R | Nikita Bilozertsev | 6-2 6-2 |
| L | QF | Atakan Karahan | 1-6 7-5 3-6 |
2024 J200St.Poelten
| W | 1R | Janis Graski | 6-2 6-3 |
| L | 2R | Raphael Vaksmann | 6-0 3-6 5-7 |
2024 J500Offenbach
| L | 1R | Diego Dedura-Palomero | 5-7 2-6 |
2024 J200Haskovo
| W | 1R | Rafael Botran Neutze | 6-4 7-5 |
| L | 2R | Stefan Horia Haita | 6-3 0-6 2-6 |
2024 J300Plovdiv
| W | 1R | Nathan Trouve | 6-2 6-3 |
| W | 2R | Ivan Gretskiy | 6-0 6-4 |
| L | QF | Izan Almazan Valiente | 0-6 3-6 |
2024 J300Villena
| W | 2R | Rafael Segado Esteve | 6-3 6-3 |
| L | 3R | Andres Santamarta Roig | 1-6 3-6 |
2024 J500Cairo
| W | 1R | Seif El Salawy | 6-0 6-0 |
| L | 2R | Anas Mazdrashki | 6-4 4-6 6-7 |
2024 J200Oberhaching
| W | 1R | Yannic Nittmann | 6-4 6-4 |
| L | 2R | Pieter De Lange | 6-7 2-6 |
2024 J200Bratislava
| W | 1R | Alan Wazny | 7-6 7-6 |
| W | 2R | Zangar Nurlanuly | 3-6 6-4 6-3 |
| W | QF | Pieter De Lange | 7-5 6-0 |
| W | SF | Flynn Thomas | 6-2 5-7 7-5 |
| W | F | Henry Bernet | 7-5 6-3 |
2023 J100Trnava-2
| W | 1R | Nikolai Barsukov | 4-6 7-6 6-0 |
| W | 2R | Egor Gorin | 6-4 7-6 |
| L | QF | Oskari Paldanius | 5-7 2-2 |
2023 J300Sanxenxo
| W | 1R | Andres Pereiro Lopez | 6-3 6-1 |
| L | 2R | Tomasz Berkieta | 2-6 3-6 |
2023 J200Vigo
| L | 1R | Roger Pascual Ferra | 4-6 7-6 4-6 |
2023 J200Rakovnik
| L | 2R | Martin Doskocil | 6-7 4-6 |
2023 J200Novisad
| L | 1R | Dmitrii Burtsev | 6-2 2-6 0-3 |
2023 J300Prague
| W | 2R | Samuele Seghetti | 6-2 2-6 6-2 |
| W | 3R | Pablo Martinez Gomez | 7-6 6-4 |
| L | QF | Maxim Mrva | 5-7 5-7 |
2023 J300Bytom
| L | 2R | Jacopo Vasami | 6-7 5-7 |
2023 J100Prague
| W | 1R | Sebastiano Cocola | 7-6 6-4 |
| W | 2R | Oliver Petr Burda | 6-4 6-2 |
| W | QF | Jan Facek | 7-6 6-4 |
| L | SF | Alessandro Battiston | 4-6 0-6 |
2023 J300Bamberg
| L | 1R | Naoya Honda | 1-6 0-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5774, Number of registered players: 3,011, Number of registered results: 222,093