Prague 4 challenger · ATP
Prague 4 challenger 2023
ChallengerClayPrague, Czechia7 May – 14 May 2023Prize money: 73,000 EUR49 matchesAltitude: 205 mCourt: Medium-slow
Champion Jakub Mensik · Final: 6-3 6-4
Final rounds
| Final | Jakub Mensik vs Dominik Koepfer | 6-4 6-3 |
| Semifinal | Dominik Koepfer vs Nicolas Kicker | 6-4 6-3 |
| Semifinal | Jakub Mensik vs Alejandro Moro Canas | 6-2 7-5 |
| Quarterfinal | Dominik Koepfer vs Lukas Klein | 6-4 6-7(6) 6-1 |
| Quarterfinal | Nicolas Kicker vs Henri Laaksonen | w/o |
| Quarterfinal | Jakub Mensik vs Akira Santillan | 3-6 6-3 7-6(6) |
| Quarterfinal | Alejandro Moro Canas vs Shintaro Mochizuki | 6-3 6-4 |
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