| 2025 Heilbronner Neckarcup | |
|---|---|
| Date | 2–8 June |
| Edition | 11th |
| Surface | Clay |
| Location | Bad Rappenau, Germany |
| Champions | |
| Singles | |
 Ignacio Buse | |
| Doubles | |
 Vasil Kirkov /  Bart Stevens | |
The 2025 Neckarcup 2.0 was a professional tennis tournament played on clay courts. It was the 11th edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Bad Rappenau, Heilbronn district, Germany between 2 and 8 June 2025. [1]
Ignacio Buse def. Guy den Ouden 7–5, 7–5. Vasil Kirkov / Bart Stevens def. 
Jakob Schnaitter / Mark Wallner 7–6(7–5), 4–6, [10–7].| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ITA | Luca Nardi | 95 | 1 |
 ESP | Pablo Carreño Busta | 99 | 2 |
 DEN | Elmer Møller | 112 | 3 |
 FRA | Valentin Royer | 120 | 4 |
| USA | Emilio Nava | 137 | 5 |
| ITA | Francesco Passaro | 139 | 6 |
 IND | Sumit Nagal | 170 | 7 |
| ITA | Andrea Pellegrino | 173 | 8 |
The following players received wildcards into the singles main draw:
Diego Dedura Justin Engel Tom GentzschThe following players received entry from the qualifying draw:
Florian Broska
Rei Sakamoto Henri Squire Marko Topo 
Alexey Vatutin Max WiskandtThe following player received entry as a lucky loser: