Stadium: Court 5 Round: 25 Ground: Clay
| ITF M25 Prague | 2023/05/16 10:00 | Jiri Cizek v Mark Havlicek | 1-6,6-3,13-11 |
| ITF M15 Alaminos-Larnaca | 2023/04/26 12:40 | Jiri Cizek v Moerani Bouzige | 3-6,3-6 |
| ITF M15 Alaminos-Larnaca | 2023/04/25 07:00 | Shunsuke Wakita v Jiri Cizek | 7-5,6-0 |
| ITF M15 Alaminos-Larnaca | 2023/04/24 07:00 | Alexander C Parker v Jiri Cizek | 6-7,6-7 |
| ITF M25 Palmanova | 2023/03/13 08:00 | Jiri Cizek v Ivan Sergeyev | 0-6,2-6 |
| ITF M25 Palmanova | 2023/03/12 12:00 | Nikita Alosha v Jiri Cizek | 5-7,5-7 |
| ITF M25 Pardubice | 2022/09/18 11:00 | Jiri Cizek v John Sperle | 3-6,0-6 |
| ITF M25 Most | 2022/05/18 07:55 | Jiri Cizek v Yannick Wunderlich | 4-6,4-6 |
| ITF M25 Prague | 2023/05/16 10:35 | Stepan Mruzek v Matthew William Donald | 3-6,2-6 |
| ITF M15 Osijek | 2023/05/03 08:00 | Aldin Setkic v Matthew William Donald | 7-6,6-2 |
| ITF M15 Meerbusch | 2023/04/27 11:10 | Matthew William Donald v Deney Wassermann | 2-6,3-6 |
| ITF M15 Meerbusch | 2023/04/25 11:00 | Max Alcala Gurri v Matthew William Donald | 4-6,0-6 |
| ITF M25 Trnava | 2023/03/29 13:55 | Matthew William Donald v Yanki Erel | 6-3,6-7,1-6 |
| ITF M25 Trnava | 2023/03/28 07:55 | Matthew William Donald v Daniel Balascak | 6-0,6-3 |
| ITF M25 Trnava | 2023/03/27 13:00 | Matthew William Donald v Tilen Kovac | 6-2,6-1 |
| ITF M15 Heraklion | 2023/03/22 08:25 | Andres Andrade v Matthew William Donald | 7-5,6-1 |