Jakub Mensik
2022
| Jb1Klosters | [1] | Quarter |
| Wimbledon Junior | [2] | 2R |
| J1Roehampton | [1] | 3R |
| Roland Garros Junior | [3] | 3R |
| Australian Open Junior | [4] | Final |
| J1Traralgon | [3] | 3R |
2021
| Us Open Junior | 3R | |
| Jamilan-2 | Final | |
| J2Pilsen | [7] | 1R |
| J1Bytom | 1R | |
| J2Hannover | 2R | |
| J1Kazan | Semi |
Nation
CZE
Age
19 years old (born in 2005)
World Ranking
ATP Ranking　17th
Year-end Junior World Ranking
- Year-end 2022 17th
- Year-end 2021 11th
- Year-end 2020 190th
Match Details
2022 Jb1Klosters
| W | 2R | Yannik Kelm | 6-3 5-7 6-3 |
| W | 3R | Joan Torres Espinosa | 6-3 6-3 |
| W | 4R | Edas Butvilas | 6-4 6-3 |
| L | QF | Dino Prizmic | 2-6 4-6 |
2022 Wimbledon Junior
| W | 1R | Henry Searle | 6-4 7-6 |
| L | 2R | Pedro Rodenas | 3-6 4-6 |
2022 J1Roehampton
| W | 1R | Luis Carlos Alvarez Valdes | 6-2 7-6 |
| W | 2R | Kalin Ivanovski | 7-5 3-6 6-3 |
| L | 3R | Alex Michelsen | 7-5 3-6 1-6 |
2022 Roland Garros Junior
| W | 1R | Cooper Williams | 6-3 3-6 7-5 |
| W | 2R | Olaf Pieczkowski | 6-1 5-7 6-2 |
| L | 3R | Daniel Merida Aguilar | 6-7 6-7 |
2022 Australian Open Junior
| W | 1R | Jan Kobierski | 6-2 6-4 |
| W | 2R | Aidan Kim | 3-6 6-3 6-4 |
| W | 3R | Hayden Jones | 6-2 6-4 |
| W | QF | Yaroslav Demin | 6-0 6-1 |
| W | SF | Kilian Feldbausch | 6-1 4-6 6-2 |
| L | F | Bruno Kuzuhara | 6-7 7-6 5-7 |
2022 J1Traralgon
| W | 1R | Alec Braund | 6-4 6-2 |
| W | 2R | Alessio Basile | 6-4 4-6 6-4 |
| L | 3R | Alex Michelsen | 3-6 1-6 |
2021 Us Open Junior
| W | 1R | Mans Dahlberg | 6-4 6-2 |
| W | 2R | Bruno Kuzuhara | 6-3 4-6 6-3 |
| L | 3R | Petr Nesterov | 6-7 4-6 |
2021 Jamilan-2
| W | 1R | Miguel Gomes | 6-3 6-1 |
| W | 2R | Robin Bertrand | 6-4 6-2 |
| W | 3R | Giulio Perego | 7-6 6-3 |
| W | QF | Dali Blanch | 6-1 6-4 |
| W | SF | Ignacio Buse | 4-6 6-3 6-2 |
| L | F | Gonzalo Bueno | 3-6 6-7 |
2021 J2Pilsen
| L | 1R | Ainius Sabaliauskas | 3-6 6-7 |
2021 J1Bytom
| L | 1R | Maks Kasnikowski | 4-6 5-7 |
2021 J2Hannover
| W | 1R | Ezequiel Monferrer | 6-3 6-3 |
| L | 2R | Liam Gavrielides | 5-7 2-6 |
2021 J1Kazan
| W | 1R | Anton Arzhankin | 6-4 6-4 |
| W | 2R | Orel Kimhi | 4-6 6-4 6-3 |
| W | QF | German Samofalov | 7-6 6-2 |
| L | SF | Sebastian Dominko | 4-6 0-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9232, Number of registered players: 5,739, Number of registered results: 303,630