Makarska 
Birmingham 
Hertogenbosch 
Chisinau 
Kosice 
Centurion 1 
Davis Сup Group I Tennis. Played Forejtek Jonas. Season 2023
Country 
Czech Republic. Ranking ATP 0.
Czech Republic. Ranking ATP 0. Maspalomas | ||||
|---|---|---|---|---|
| 01.12.2023 | Quarter-finals | Rincon Daniel — Forejtek Jonas | 2:1 (3:6, 6:4, 6:4) |
|
| 29.11.2023 | Second round | Forejtek Jonas — Gakhov Ivan | 2:1 (2:6, 6:4, 6:3) |
|
| 28.11.2023 | First round | Barroso Campos Alberto — Forejtek Jonas | 1:2 (2:6, 6:4, 4:6) |
|
| 27.11.2023 | Qialification final | Vanshelboim Eric — Forejtek Jonas | 1:2 (3:6, 6:3, 3:6) |
|
 Olbia | ||||
| 15.10.2023 | Qualifications - 1st round | Forejtek Jonas — Oradini Giovanni | 0:2 (3:6, 2:6) |
|
 Tulln | ||||
| 04.09.2023 | Qialification final | Hassan Benjamin — Forejtek Jonas | 2:1 (5:7, 7:6, 7:5) |
|
| Prague 3 | ||||
| 23.08.2023 | Second round | Forejtek Jonas — Sousa Joao | 1:2 (0:6, 6:4, 4:6) |
|
| 21.08.2023 | First round | Forejtek Jonas — Barranco Cosano Javier | 2:1 (6:4, 3:6, 6:4) |
|
 Meerbusch | ||||
| 07.08.2023 | Qualifications - 1st round | Forejtek Jonas — Damas Miguel | 1:2 (0:6, 6:4, 3:6) |
|
 Lille | ||||
| 27.03.2023 | Qialification final | Zhukayev Beibit — Forejtek Jonas | 2:0 (6:4, 6:4) |
|
| St. Brieuc | ||||
| 22.03.2023 | First round | Gueymard Wayenburg Sascha — Forejtek Jonas | 2:0 (6:2, 6:3) |
|
 Lugano | ||||
| 06.03.2023 | Qialification final | Forejtek Jonas — Added Dan | 0:2 (3:6, 2:6) |
|
| 05.03.2023 | Qualifications - 1st round | Forejtek Jonas — Nicod Jakub | 2:0 (6:3, 6:4) |
|
 ATP - Delray Beach International Tennis Championships | ||||
| 12.02.2023 | Qualifications - 1st round | Borges Nuno — Forejtek Jonas | 2:0 (6:0, 6:3) |
|
| ATP - Dallas | ||||
| 05.02.2023 | Qualifications - 1st round | Rybakov Alex — Forejtek Jonas | 2:0 (6:4, 6:4) |
|
| Cleveland | ||||
| 01.02.2023 | First round | Johnson Steve — Forejtek Jonas | 2:0 (6:4, 7:6) |
|