| ACTIVE | PLAYER | TITLES |
|---|---|---|
| Roger Federer | 10 | |
| Yevgeny Kafelnikov | 3 | |
| Tommy Haas | 2 | |
| A | Alexander Bublik (Current) | 2 |
| A | Jannik Sinner | 1 |
| A | Hubert Hurkacz | 1 |
| A | Ugo Humbert | 1 |
| A | Borna Ćorić | 1 |
| Henri Leconte | 1 | |
| Michael Stich | 1 | |
| Marc Rosset | 1 | |
| Nicklas Kulti | 1 | |
| Nicolas Kiefer | 1 | |
| David Prinosil | 1 | |
| Thomas Johansson | 1 | |
| Tomáš Berdych | 1 | |
| Lleyton Hewitt | 1 | |
| Philipp Kohlschreiber | 1 | |
| Florian Mayer | 1 |
Table: From 1993 onward, List of Most Halle Open titles,
Terra Wortmann Open, ATP 500, Germany, Men, Tennis, Ranked.