Hamburg Challenger
Main Draw
Entries | Seed | Name | Seeding RankingRk | Entry RankingER |
| 1 | Daniel Merida | 163 | 169 |
| 2 | Chris Rodesch | 190 | 181 |
| 3 | Gauthier Onclin | 196 | 194 |
| 4 | Justin Engel | 206 | 191 |
| 5 | George Loffhagen | 211 | 250 |
| 6 | Federico Cina | 226 | 218 |
| 7 | Alejandro Moro Canas | 249 | 266 |
| 8 | Matej Dodig | 257 | 278 |
| Dimitar Kuzmanov | 258 | 261 |
| Henri Squire | 264 | 329 |
| Marko Topo | 277 | 270 |
| Tom Gentzsch | 291 | 296 |
| Daniil Glinka | 293 | 287 |
| Eliakim Coulibaly | 299 | 305 |
| Christoph Negritu | 311 | 318 |
| Matteo Martineau | 318 | 297 |
| Mathys Erhard | 320 | 264 |
| Michael Geerts | 321 | 322 |
| Petr Brunclik | 384 | 436 (NG) |
| (SE) Maxim Mrva | 418 | |
| Cedrik-Marcel Stebe | 436 | 320 (PR) |
| Francesco Forti | 682 | 307 (PR) |
| Adrian Andreev | 789 | 299 (PR) |
| (WC) Mika Petkovic | 796 | |
| (WC) Niels McDonald | 1059 | |
| (WC) Jamie Mackenzie | 1218 | |
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Alternates | Name | Seeding RankingRk | Entry RankingER |
|---|
| 1 | Javier Barranco Cosano | 333 | 334 |
| 2 | Denis Yevseyev | 330 | 341 |
| 3 | Gabi Adrian Boitan | 339 | 342 |
| 4 | Miguel Damas | 338 | 344 |
| 5 | Alexey Vatutin | 356 | 349 |
| 6 | Maximus Jones | 353 | 361 |
| 7 | Milos Karol | 377 | 363 |
| 8 | Alastair Gray | 366 | 366 |
| 9 | Fabrizio Andaloro | 313 | 372 |
| 10 | Raul Brancaccio | 400 | 382 |
| 11 | Jacopo Berrettini | 334 | 392 |
| 12 | Stuart Parker | 385 | 408 |
| 13 | David Jorda Sanchis | 451 | 410 |
| 14 | Bernabe Zapata Miralles | 410 | 411 |
| 15 | Max Alcala Gurri | 417 | 421 |
| 16 | Laurent Lokoli | 430 | 428 |
| 17 | Rudolf Molleker | 425 | 430 |
| 18 | Daniel Masur | 422 | 432 |
| 19 | Petr Brunclik | 384 | 436 |
| 20 | Cedrik-Marcel Stebe | 436 | 438 |
Withdrawals| | Name | Seeding RankingRk | Entry RankingER |
|---|
| Nicolas Alvarez Varona | 328 | 303 |
| Hynek Barton | 296 | 300 |
| Remy Bertola | 259 | 258 |
| (SE) | | |
Qualifying
Entries | Seed | Name | Seeding RankingRk | Entry RankingER |
| 1 | Denis Yevseyev | 330 | 341 |
| 2 | Jacopo Berrettini | 334 | 392 |
| 3 | Miguel Damas | 338 | 344 |
| 4 | Maximus Jones | 353 | 361 |
| 5 | Alastair Gray | 366 | 366 |
| 6 | Milos Karol | 377 | 363 |
| 7 | Daniel Masur | 422 | 432 |
| 8 | Rudolf Molleker | 425 | 430 |
| 9 | Marvin Moeller | 457 | 457 |
| 10 | Florian Broska | 498 | 494 |
| 11 | Radu Albot | 499 | 560 |
| 12 | Pedro Vives Marcos | 513 | 579 |
| Eero Vasa | 523 | 511 |
| Christian Sigsgaard | 547 | 515 |
| (WC) Nino Ehrenschneider | 566 | |
| Michael Agwi | 592 | 529 |
| Buvaysar Gadamauri | 595 | 591 |
| Alberto Barroso Campos | 603 | 616 |
| Sergio Callejon Hernando | 610 | 614 |
| Charlie Robertson | 1160 | 17 (JR) |
| (WC) Nikolai Barsukov | 1210 | |
| (WC) Niklas Guttau | 1335 | |
| (WC) Jannik Opitz | - | |
| Sander Jong | - | 558 (PR) |
Alternates | Name | Seeding RankingRk | Entry RankingER |
|---|
| 1 | Niels Visker | 654 | 627 |
| 2 | Aziz Ouakaa | 643 | 628 |
| 3 | Nino Ehrenschneider | 566 | 652 |
| 4 | Daniel Siniakov | 724 | 732 |
| 5 | Mika Petkovic | 796 | 807 |
| 6 | Nikita Mashtakov | 808 | 814 |
| 7 | Yaroslav Demin | 877 | 869 |
| 8 | Mihai Razvan Marinescu | 882 | 872 |
| 9 | Nikita Bilozertsev | 863 | 901 |
| 10 | Oscar Jose Gutierrez | 933 | 945 |
| 11 | Andrin Casanova | 1020 | 1021 |
| 12 | Preston Brown | 1055 | 1026 |
| 13 | Lorenzo Lorusso | 1043 | 1036 |
| 14 | Ronald Hohmann | 1040 | 1038 |
| 15 | Charlie Robertson | 1160 | 1163 |
| 16 | Jamie Mackenzie | 1218 | 1213 |
| 17 | Jarno Jans | 1240 | 1235 |
| 18 | Radovan Michalik | 1315 | 1245 |
| 19 | Alp Horoz | 1253 | 1305 |
| 20 | Drew Van Orderlain | 1316 | 1309 |
Withdrawals| | Name | Seeding RankingRk | Entry RankingER |
|---|
| Federico Arnaboldi | 392 | 395 |
| Hazem Naw | 965 | 478 (PR) |
| Raul Brancaccio | 400 | 382 |
| Christoph Negritu | 311 | 318 |
| Mika Brunold | 309 | 328 |
| Olaf Pieczkowski | 501 | 490 |
| Karan Singh | 440 | 425 |
| Henri Squire | 264 | 329 |
| Pedro Vives Marcos | 513 | 13 (CO) |
| Bernabe Zapata Miralles | 410 | 411 |