| 2023 Sparta Prague Open | |
|---|---|
| Date | 8–14 May |
| Category | ATP Challenger Tour |
| Surface | Clay |
| Location | Prague, Czech Republic |
| Champions | |
| Singles | |
 Jakub Menšík | |
| Doubles | |
 Dan Added / Albano Olivetti | |
The 2023 Sparta Prague Open was a professional tennis tournament played on clay courts. It was part of the 2023 ATP Challenger Tour. It took place in Prague, Czech Republic between 8 and 14 May 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 MDA | Radu Albot | 103 | 1 |
 SUI | Dominic Stricker | 129 | 2 |
 SVK | Norbert Gombos | 134 | 3 |
| SVK | Lukáš Klein | 143 | 4 |
| FRA | Enzo Couacaud | 153 | 5 |
 GER | Dominik Koepfer | 158 | 6 |
 BIH | Damir Džumhur | 186 | 7 |
 TPE | Tseng Chun-hsin | 193 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Jakub Menšík def. Dominik Koepfer 6–4, 6–3. Dan Added / Albano Olivetti def. 
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