| 2019 Heilbronner Neckarcup | |
|---|---|
| Date | 13–19 May |
| Edition | 6th |
| Draw | 48S / 16D |
| Surface | Clay |
| Location | Heilbronn, Germany |
| Champions | |
| Singles | |
 Filip Krajinović | |
| Doubles | |
 Kevin Krawietz / Andreas Mies | |
The 2019 Heilbronner Neckarcup was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Heilbronn, Germany between 13 and 19 May 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| SRB
|
Filip Krajinović | 74 | 1 |
 USA
|
Tennys Sandgren | 89 | 2 |
 KAZ
|
Alexander Bublik | 94 | 3 |
 CZE
|
Jiří Veselý | 100 | 4 |
 UZB
|
Denis Istomin | 103 | 5 |
 BOL
|
Hugo Dellien | 109 | 6 |
 BRA
|
Thiago Monteiro | 110 | 7 |
| GER |
|||
 SWE
|
Elias Ymer | 113 | 9 |
| GER
|
Yannick Maden | 116 | 10 |
 AUT
|
Dennis Novak | 121 | 11 |
 ESP
|
Guillermo García López | 123 | 12 |
 ITA
|
Stefano Travaglia | 124 | 13 |
 CAN
|
Peter Polansky | 125 | 14 |
| AUT
|
Sebastian Ofner | 126 | 15 |
| GER
|
Matthias Bachinger | 130 | 16 |
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw using their ITF World Tennis Ranking:
Hernán Casanova
Baptiste Crepatte Peter Heller
Aslan Karatsev Arthur RinderknechThe following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Filip Krajinović def. 
Arthur De Greef 6–3, 6–1. Kevin Krawietz / Andreas Mies def. Andre Begemann / Fabrice Martin 6–2, 6–4.
