2023 Heilbronner Neckarcup
Tennis tournament
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The 2023 Heilbronner Neckarcup was a professional tennis tournament played on clay courts. It was the ninth edition of the tournament which was part of the 2023 Challenger Tour 125. It took place in Heilbronn, Germany between 5 and 11 June 2023.[1]
| 2023 Heilbronner Neckarcup | |
|---|---|
| Date | 5–11 June |
| Edition | 9th |
| Surface | Clay |
| Location | Heilbronn, Germany |
| Champions | |
| Singles | |
 Matteo Arnaldi | |
| Doubles | |
 Constantin Frantzen / Hendrik Jebens | |
Champions
Singles
Matteo Arnaldi def. 
Facundo Díaz Acosta 7–6(7–4), 6–1.
Doubles
Constantin Frantzen / Hendrik Jebens def. 
Victor Vlad Cornea / 
Philipp Oswald 7–6(9–7), 6–4.
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ITA |
Marco Cecchinato | 72 | 1 |
 ESP |
Jaume Munar | 81 | 2 |
 COL |
Daniel Elahi Galán | 91 | 3 |
 AUT |
Dominic Thiem | 92 | 4 |
| ITA |
Matteo Arnaldi | 106 | 5 |
 HUN |
Fábián Marozsán | 115 | 6 |
| GER |
Oscar Otte | 120 | 7 |
| Pavel Kotov | 121 | 8 |
- 1 Rankings are as of 29 May 2023.[2]
Other entrants
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: