Vojtech Petr
2023
| J300Vrsar | Semi | |
| J300Villena | [7] | 3R |
| J500Cairo | 2R | |
| J300Cairo | 2R | |
| J200Bratislava | [1] | 1R |
2022
| Roland Garros Junior | 1R | |
| J2Santodomingo-2 | [1] | Win |
| J2Santodomingo | [1] | 1R |
| J3Trnava | [1] | Quarter |
| J3Wolfsberg | [1] | Win |
| J2Oberhaching | [5] | Final |
| Australian Open Junior | 1R | |
| J1Traralgon | 2R |
2021
Nation
CZE
Year-end Junior World Ranking
- Year-end 2023 188th
- Year-end 2022 69th
- Year-end 2021 64th
- Year-end 2020 303th
Match Details
2023 J300Vrsar
| W | 1R | Federico Bondioli | 7-6 6-4 |
| W | 2R | Michal Krajci | 6-4 6-4 |
| W | QF | Aleksa Pisaric | 6-0 6-3 |
| L | SF | Oliver Ojakaar | 3-6 2-6 |
2023 J300Villena
| W | 2R | Mees Rottgering | 7-5 2-6 7-6 |
| L | 3R | Max Dahlin | 2-6 6-7 |
2023 J500Cairo
| W | 1R | Mostafa Mohamed | 6-1 6-1 |
| L | 2R | Mihai Alexandru Coman | 6-4 1-6 1-6 |
2023 J300Cairo
| W | 1R | Hayden Jones | 6-3 6-0 |
| L | 2R | Vuk Radjenovic | 3-6 4-6 |
2023 J200Bratislava
| L | 1R | Lorenzo Sciahbasi | 4-6 3-6 |
2022 Roland Garros Junior
| L | 1R | Yaroslav Demin | 5-7 7-5 3-6 |
2022 J2Santodomingo-2
| W | 1R | Meecah Bigun | 2-6 6-4 6-2 |
| W | 2R | Armando Sotelo | 3-6 6-0 6-1 |
| W | QF | Kaylan Bigun | 5-1 |
| W | SF | Edward Winter | 6-7 6-4 6-2 |
| W | F | Sean Daryabeigi | 4-6 6-3 6-2 |
2022 J2Santodomingo
| L | 1R | Kaylan Bigun | 3-6 1-6 |
2022 J3Trnava
| W | 1R | Patrik Meszaros | 6-4 6-3 |
| W | 2R | Joel Schwaerzler | 6-4 6-1 |
| L | QF | Zoran Ludoski | 6-4 6-7 5-7 |
2022 J3Wolfsberg
| W | 1R | Tobias Leitner | 3-6 6-3 6-0 |
| W | 2R | Matej Dodig | 6-4 2-6 6-4 |
| W | QF | Filippo Romano | 6-4 6-2 |
| W | SF | Massimo Giunta | 7-6 6-2 |
| W | F | Federico Bondioli | 2-6 7-5 6-1 |
2022 J2Oberhaching
| W | 1R | Gabriel Matuszewski | 7-5 6-4 |
| W | 2R | Ivan Burnashov | 7-6 7-5 |
| W | QF | Gilles Arnaud Bailly | 6-4 7-5 |
| W | SF | Lennon Roark Jones | 6-4 7-5 |
| L | F | Mika Brunold | 3-6 3-6 |
2022 Australian Open Junior
| L | 1R | Alessio Basile | 6-2 6-7 1-6 |
2022 J1Traralgon
| W | 1R | Alexander Despoja | 7-5 6-2 |
| L | 2R | Coleman Wong | 3-6 3-6 |
2021 Wimbledon Junior
| W | 1R | Daniel Merida Aguilar | 6-3 6-3 |
| W | 2R | Leo Borg | 6-1 6-2 |
| L | 3R | Victor Lilov | 2-6 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9598, Number of registered players: 5,105, Number of registered results: 235,511