| 2023 BOSS Open | |
|---|---|
| Date | 12–18 June |
| Edition | 45th |
| Category | ATP Tour 250 |
| Draw | 28S / 16D |
| Prize money | €718,410 |
| Surface | Grass |
| Location | Stuttgart, Germany |
| Venue | Tennis Club Weissenhof |
| Champions | |
| Singles | |
 Frances Tiafoe | |
| Doubles | |
 Nikola Mektić / Mate Pavić | |
The 2023 BOSS Open was a men's tennis tournament played on outdoor grass courts. It was the 45th edition of the Stuttgart Open, and part of the ATP Tour 250 series of the 2023 ATP Tour. It was held at the Tennis Club Weissenhof in Stuttgart, Germany, from 12 June until 18 June 2023.[1]
- ^ "Stuttgart Overview". ATP Tour. Retrieved 18 May 2023.