| 2023 Schwaben Open | |
|---|---|
| Date | 21–26 August |
| Edition | 2nd |
| Location | Augsburg, Germany |
| Champions | |
| Singles | |
 Carlos Taberner | |
| Doubles | |
 Constantin Frantzen / Hendrik Jebens | |
The 2023 Schwaben Open was a professional tennis tournament played on clay courts. It was the 2nd edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Augsburg, Germany between 21 and 26 August 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ARG | Hernán Casanova | 242 | 1 |
 LIB | Benjamin Hassan | 244 | 2 |
| ARG | Román Andrés Burruchaga | 254 | 3 |
 CAN | Steven Diez | 255 | 4 |
 FRA | Manuel Guinard | 259 | 5 |
| ARG | Santiago Rodríguez Taverna | 269 | 6 |
| GER | Timo Stodder | 274 | 7 |
| ESP | Nikolás Sánchez Izquierdo | 279 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Gianmarco Ferrari Hady Habib Daniel Masur Christoph Negritu
David Pichler
Nicolas ZanellatoThe following player received entry as a lucky loser:
Carlos Taberner def. Oriol Roca Batalla 6–4, 6–4. Constantin Frantzen / Hendrik Jebens def. Constantin Bittoun Kouzmine / 
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