| 2023 Dutch Open | |
|---|---|
| Date | 17 – 23 July |
| Surface | Clay / outdoor |
| Location | Amersfoort, Netherlands |
| Champions | |
| Singles | |
 Maximilian Marterer | |
| Doubles | |
 Manuel Guinard / Grégoire Jacq | |
The 2023 Dutch Open, also known by its sponsored name Van Mossel Kia Dutch Open, was a professional tennis tournament played on clay courts. It was the fourth edition of the Challenger tournament which was part of the 2023 ATP Challenger Tour. It took place in Amersfoort, Netherlands between 17 and 23 July 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ARG | Facundo Díaz Acosta | 115 | 1 |
 BRA | Felipe Meligeni Alves | 134 | 2 |
 GBR | Jan Choinski | 164 | 3 |
 NED | Jelle Sels | 167 | 4 |
| GER | Maximilian Marterer | 170 | 5 |
| NED | Jesper de Jong | 177 | 6 |
 ROU | Nicholas David Ionel | 192 | 7 |
| FRA | Titouan Droguet | 205 | 8 |
The following players received wildcards into the singles main draw:
Alec Deckers Guy den Ouden Sander JongThe following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Tibo Colson Joris De Loore Mathys Erhard
Elmer Møller Niels Visker
Michael Vrbenský The following players received entry as lucky losers:
Àlex Martí Pujolràs
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