Stadium: Court 5 Round: 25 Ground: Clay
| ITF M25 Prague | 2023/05/18 13:00 | Goncalo Oliveira v Hynek Barton | 6-3,7-6 |
| ITF M25 Prague | 2023/05/16 14:20 | Hynek Barton v Mats Rosenkranz | 6-3,6-4 |
| Challenger Prague Qual | 2023/05/07 10:20 | Hynek Barton v Billy Harris | 4-6,3-6 |
| Challenger Ostrava | 2023/04/23 10:15 | Hynek Barton v Alex M Pujolras | 4-6,6-7 |
| ITF M25 Jakarta | 2023/04/13 05:05 | Hynek Barton v Evgeny Donskoy | 1-6,4-6 |
| ITF M25 Jakarta | 2023/04/12 07:50 | Hynek Barton v Leo Borg | 6-1,7-6 |
| ITF M15 Singapore | 2023/04/06 03:50 | Hynek Barton v Duckhee Lee | 2-6,3-6 |
| ITF M15 Singapore | 2023/04/05 09:00 | Hynek Barton v Ethan Cook | 7-6,6-2 |
| ITF M25 Prague | 2023/05/17 09:25 | Petr Nouza v Alex Rybakov | 6-4,6-3 |
| Challenger Prague | 2023/05/08 09:00 | Guido Andreozzi v Alex Rybakov | 6-3,6-3 |
| Challenger Prague Qual | 2023/05/07 09:50 | Patrik Rikl v Alex Rybakov | 6-7,5-7 |
| ITF M25 Sabadell | 2023/05/03 11:45 | Alex Rybakov v David Jorda Sanchis | 6-7,3-6 |
| Challenger Savannah | 2023/04/27 15:00 | Alex Rybakov v Mitchell Krueger | 4-6,6-1,0-6 |
| Challenger Savannah | 2023/04/25 14:00 | Nick Chappell v Alex Rybakov | 2-6,3-6 |
| Challenger Tallahassee | 2023/04/18 19:40 | Tung-Lin Wu v Alex Rybakov | 6-4,6-4 |
| Challenger Sarasota | 2023/04/12 20:30 | Alex Rybakov v Zhizhen Zhang | 4-6,6-7 |