| Challenger Ismaning | 10/29 15:25 | 27 | [310] Jonas Forejtek v Quentin Halys [148] | 6-3,2-6,2-6 | |
| Challenger Ismaning | 10/28 15:30 | 26 | [310] Jonas Forejtek v Maden, Yannick [291] | 7-6,3-6,6-1 | |
| Challenger Ismaning | 10/26 18:15 | 25 | [71] Jordan Thompson v Jonas Forejtek [310] | 7-5,2-6,2-6 | |
| Challenger Ismaning | 10/25 10:30 | - | [310] Jonas Forejtek v Evan Furness [276] | 6-4,6-4 | |
| Challenger Ismaning | 10/24 11:20 | 26 | [191] Ramkumar Ramanathan v Jonas Forejtek [316] | 4-6,6-7 | |
| Challenger Losinj | 10/21 08:00 | 26 | [273] Arnaboldi, Andrea v Jonas Forejtek [316] | 6-3,3-6,6-4 | |
| Challenger Losinj | 10/18 10:00 | 25 | [316] Jonas Forejtek v Cornea, Vlad Victor [319] | 6-4,6-4 | |
| Challenger Napoli | 10/12 11:45 | 25 | [316] Jonas Forejtek v Gian Marco Moroni [207] | 3-6,4-6 | |
| Challenger Napoli | 10/11 13:30 | - | [303] Javier Barranco Cosano v Jonas Forejtek [316] | 6-3,5-7,4-6 | |
| Challenger Napoli | 10/11 09:00 | 14 | Mariano Tammaro v Jonas Forejtek | 6-3,3-6,2-6 | |
| Challenger Napoli | 10/04 09:45 | 25 | [302] Alexander Ritschard v Jonas Forejtek [332] | 6-4,6-4 | |
| Challenger Tulln | 09/08 09:30 | 26 | Filip Misolic v Jonas Forejtek | 6-7,6-3,6-2 | |
| Challenger Tulln | 09/07 08:00 | 25 | [371] Matteo Martineau v Jonas Forejtek [323] | 2-6,6-7 | |
| ITF M25 Ricany | 09/01 11:05 | 25 | [323] Jonas Forejtek v Zsombor Piros [400] | 4-6,5-7 | |
| ITF M25 Ricany | 08/31 08:00 | 44 | Jonas Forejtek v Mark Havlicek | 6-2,6-1 | |
| ITF M25 Ricany | 08/30 09:00 | 44 | Jonas Forejtek v Philipp Pavlenko | 6-2,6-2 | |
| Challenger - Prague | 08/24 12:20 | 25 | [365] Genaro Alberto Olivieri v Jonas Forejtek [317] | 6-2,6-4 | |
| Luedenscheid, Germany | 08/16 09:30 | 19 | [322] Jonas Forejtek v Javier Barranco Cosano [331] | 1-6,6-7 | |
| Luedenscheid, Germany | 08/15 14:10 | 14 | Jonas Forejtek v Julius Seifert | 6-2,6-1 | |
| Challenger - Prague | 08/14 10:30 | 28 | [318] Jonas Forejtek v Dalibor Svrcina [424] | 5-7,4-6 | |
| Challenger - Prague | 08/13 10:30 | 27 | [161] Nikola Milojevic v Jonas Forejtek [318] | 4-6,3-6 | |
| Challenger - Prague | 08/12 10:30 | 26 | [322] Filip C Jianu v Jonas Forejtek [318] | 2-6,6-4,1-6 | |
| Challenger - Prague | 08/10 13:35 | 25 | [318] Jonas Forejtek v Nicolas Jarry [261] | 4-6,6-4,6-2 | |
| Challenger Liberec | 08/03 08:30 | 25 | [319] Jonas Forejtek v Dalibor Svrcina [441] | 6-7,2-6 | |
| Poznan, Poland | 07/27 14:30 | 25 | [182] Zdenek Kolar v Jonas Forejtek [320] | 6-4,6-4 | |
| Challenger Tampere | 07/19 13:35 | 25 | [265] Nicolas Jarry v Jonas Forejtek [316] | 6-7,6-3,6-3 | |
| Hamburg, Germany | 07/10 14:20 | 14 | [132] Juan Pablo Varillas v Jonas Forejtek [314] | 7-5,6-2 | |
| Milan, Italy | 06/22 14:10 | 25 | [317] Jonas Forejtek v Gastao Elias [250] | 4-6,2-6 | |
| Milan, Italy | 06/21 11:15 | 19 | [339] Nerman Fatic v Jonas Forejtek [317] | 2-6,5-7 | |
| Milan, Italy | 06/20 12:50 | 14 | [408] Elmar Ejupovic v Jonas Forejtek [317] | 0-6,6-3,4-6 |
Wikipedia - Jonáš Forejtek
Jonáš Forejtek, né le à Plzeň, est un joueur de tennis professionnel tchèque.