| Challenger Milan | 06/21 11:15 | 19 | [339] Nerman Fatic v Jonas Forejtek [317] | 2-6,5-7 | |
| Challenger Milan | 06/20 12:50 | 14 | [408] Elmar Ejupovic v Jonas Forejtek [317] | 0-6,6-3,4-6 | |
| Challenger Prostejov | 06/14 15:15 | 25 | [82] Gianluca Mager v Jonas Forejtek [317] | 6-3,6-3 | |
| Challenger Bratysława | 06/07 08:30 | 19 | [278] Jiri Lehecka v Jonas Forejtek [320] | 7-6,6-3 | |
| Challenger Bratysława | 06/06 12:20 | 14 | [416] Elmar Ejupovic v Jonas Forejtek [320] | 6-7,6-7 | |
| Challenger Oeiras | 05/24 15:10 | 25 | [319] Jonas Forejtek v Riccardo Bonadio [289] | 6-7,6-3,0-6 | |
| ITF - Jablonec Nad Nisou M25 | 05/19 08:00 | 25 | [319] Jonas Forejtek v Andrew Paulson [434] | 6-2,3-6,1-6 | |
| Challenger Oeiras | 04/06 09:00 | 25 | [311] Jonas Forejtek v Raul Brancaccio [354] | Retired | |
| Challenger Lille | 03/26 10:00 | 27 | [117] Gregoire Barrere v Jonas Forejtek [326] | 6-7,6-3,7-6 | |
| Challenger Lille | 03/25 09:30 | 26 | [326] Jonas Forejtek v Giulio Zeppieri [321] | 6-3,6-4 | |
| Challenger Lille | 03/24 12:15 | 25 | [361] Pedro Cachin v Jonas Forejtek [326] | 2-6,6-4,3-6 | |
| Challenger Biella | 03/17 15:55 | 26 | [249] Daniel Masur v Jonas Forejtek [334] | 7-5,6-7,6-4 | |
| Challenger Biella | 03/16 11:15 | 25 | [334] Jonas Forejtek v Dustin Brown [266] | 6-3,6-7,6-4 | |
| Challenger Biella | 03/15 09:30 | 19 | [246] Nicola Kuhn v Jonas Forejtek [334] | 6-4,3-6,3-6 | |
| Challenger Biella - Kwalifikacje | 03/14 10:20 | 14 | [366] Jonas Forejtek v Adrian Menendez-Maceiras [264] | 7-6,6-4 | |
| Challenger Biella | 03/12 12:40 | 27 | [179] Illya Marchenko v Jonas Forejtek [366] | 6-4,6-1 | |
| Challenger Biella | 03/11 16:00 | 26 | [366] Jonas Forejtek v Akira Santillan [260] | 7-6,6-3 | |
| Challenger Biella | 03/09 13:30 | 25 | [366] Jonas Forejtek v Tobias Kamke [229] | 6-3,6-3 | |
| Challenger Biella | 03/08 09:30 | 19 | [255] Julian Lenz v Jonas Forejtek [366] | 4-6,1-6 | |
| Challenger Biella | 03/07 09:30 | 14 | Marco Miceli v Jonas Forejtek | 1-6,2-6 | |
| Challenger St. Petersburg | 02/28 07:00 | 14 | Andrey Kuznetsov v Jonas Forejtek | 6-1,6-7,7-5 | |
| ITF - Sharm El Sheikh M15 | 02/17 10:00 | 25 | Jonas Forejtek v Paul Jubb | 4-6,6-3,5-7 | |
| Challenger Cherbourg | 02/09 10:00 | 25 | [392] Michael Geerts v Jonas Forejtek [367] | 6-7,6-4,6-2 | |
| Challenger Cherbourg | 02/08 12:25 | 19 | [335] Corentin Denolly v Jonas Forejtek [367] | 3-6,2-6 | |
| Challenger Cherbourg | 02/07 11:00 | 14 | [395] Sadio Doumbia v Jonas Forejtek [367] | 6-7,2-6 | |
| ITF - Villena M25 | 02/05 08:55 | 27 | [428] Holger Vitus Nodskov Rune v Jonas Forejtek [367] | 6-4,6-2 | |
| ITF - Villena M25 | 02/04 10:00 | 26 | [367] Jonas Forejtek v Alex Molcan [304] | 1-6,6-4,6-2 | |
| ITF - Villena M25 | 02/03 12:40 | 25 | Alafia Ayeni v Jonas Forejtek | 1-6,5-7 | |
| ITF - Bressuire M15 | 01/19 09:25 | 25 | Jonas Forejtek v Luca Van Assche | 5-7,2-6 | |
| ITF - Bratysława M15 | 11/28 09:00 | 25 | Jonas Forejtek v Lukas Palovic | Cancelled |
Wikipedia - Jonáš Forejtek
Jonáš Forejtek (ur. 10 marca 2001 w Pilźnie) – czeski tenisista, reprezentant kraju w Pucharze Davisa.