Jan Sebesta
2020
| J5 INGELHEIM | [6] | Win |
| J4 WARSAW | 2R | |
| J4 SZCZECIN-2 | Quarter | |
| J4 OBERENTFELDEN | Semi |
2019
| J4 MARIBOR-2 | 2R | |
| J4 ALMERE | 1R | |
| J5 THEHAGUE | 2R | |
| J5 HORGEN | 1R | |
| J4 LUZERN | [13] | Semi |
| J5 KREUZLINGEN | [15] | 3R |
| J2 OBERENTFELDEN | 1R | |
| J4 OBERENTFELDEN | 2R |
Nation
SUI
World Ranking
ATP Ranking　1864th
Year-end Junior World Ranking
- Year-end 2021 674th
- Year-end 2020 587th
- Year-end 2019 1220th
Rival
jasza szajrych (0-2)
Match Details
2020 J5 INGELHEIM
| W | 1R | Mikail Alimli | 3-6 6-3 7-6 |
| W | 2R | Luke Connor Heron | 6-2 2-6 6-3 |
| W | QF | Samuel Reeve | 6-2 6-3 |
| W | SF | Mika Brunold | 6-4 6-1 |
| W | F | Lukas Maskow | 6-3 7-6 |
2020 J4 WARSAW
| W | 1R | Aleksander Zdzuj | 6-1 6-3 |
| L | 2R | Jasza Szajrych | 3-6 0-6 |
2020 J4 SZCZECIN-2
| W | 1R | Alexandre De Villepin | 6-3 6-3 |
| W | 2R | Tobias Smoliner | 6-4 6-1 |
| L | QF | Jasza Szajrych | 3-6 3-6 |
2020 J4 OBERENTFELDEN
| W | 1R | Jakub Nicod | 6-4 6-2 |
| W | 2R | Eliott Roche | 7-6 6-4 |
| W | QF | Noah Merre | 6-3 1-6 6-4 |
| L | SF | Mathis Debru | 6-4 3-6 2-6 |
2019 J4 MARIBOR-2
| W | 1R | Emil Pristauz | 6-2 6-2 |
| L | 2R | Ammar Elamin | 0-6 3-6 |
2019 J4 ALMERE
| L | 1R | Facundo Yunis | 1-6 5-7 |
2019 J5 THEHAGUE
| W | 1R | Jay Temming | 6-2 6-2 |
| L | 2R | Andre Steinbach | 5-7 6-2 0-6 |
2019 J5 HORGEN
| L | 1R | Geni Inoue | 3-6 7-6 1-6 |
2019 J4 LUZERN
| W | 2R | Dylan Dietrich | 6-4 4-6 6-2 |
| W | 3R | Felix Nordby | 6-0 6-4 |
| W | QF | Serafin Zund | - - - |
| L | SF | Maikel De Boes | 4-6 3-6 |
2019 J5 KREUZLINGEN
| W | 2R | Srijan Singh | 6-2 6-1 |
| L | 3R | Mika Lipp | 4-6 3-6 |
2019 J2 OBERENTFELDEN
| L | 1R | Luca Nardi | 2-6 2-6 |
2019 J4 OBERENTFELDEN
| W | 1R | Enrico Wood | 6-2 6-3 |
| L | 2R | Benedikt Emesz | 3-6 7-6 3-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14379, Number of registered players: 7,503, Number of registered results: 447,330