Table: From 1968 onward, List of Most Hamburg Open titles, ATP 500, Germany, Men, Tennis, Ranked.
| ACTIVE | PLAYERS | TITLES |
|---|---|---|
| Roger Federer | 4 | |
| Eddie Dibbs | 3 | |
| Andrei Medvedev | 3 | |
| A | Nikoloz Basilashvili | 2 |
| Rafael Nadal | 2 | |
| Manuel Orantes | 2 | |
| José Higueras | 2 | |
| Ivan Lendl | 2 | |
| Juan Aguilera | 2 | |
| Leonardo Mayer | 2 | |
| A | Ignacio Buse (Current) | 1 |
| A | Flavio Cobolli | 1 |
| A | Andrey Rublev | 1 |
| A | Pablo Carreño Busta | 1 |
| A | Lorenzo Musetti | 1 |
| A | Alexander Zverev | 1 |
| A | Arthur Fils | 1 |
| Nikolay Davydenko | 1 | |
| Andrey Golubev | 1 | |
| Gilles Simon | 1 | |
| Juan Mónaco | 1 | |
| Fabio Fognini | 1 | |
| Martin Kližan | 1 | |
| Yannick Noah | 1 | |
| Miloslav Mečíř | 1 | |
| Henri Leconte | 1 | |
| Kent Carlsson | 1 | |
| Karel Nováček | 1 | |
| Stefan Edberg | 1 | |
| Michael Stich | 1 | |
| Roberto Carretero | 1 | |
| Albert Costa | 1 | |
| Marcelo Ríos | 1 | |
| Gustavo Kuerten | 1 | |
| Albert Portas | 1 | |
| Guillermo Coria | 1 | |
| Tommy Robredo | 1 | |
| John Newcombe | 1 | |
| Tony Roche | 1 | |
| Tom Okker | 1 | |
| Andrés Gimeno | 1 | |
| Paolo Bertolucci | 1 | |
| Guillermo Vilas | 1 | |
| Harold Solomon | 1 | |
| Peter McNamara | 1 |
2026 Final Ignacio Buse, a 22-year-old qualifier, defeated sixth seed Tommy Paul 7–6(6), 4–6, 6–3 in over three hours to claim his maiden ATP Tour title. Buse became the first Peruvian ATP Tour titlist since Luis Horna, won Viña del Mar in 2007.
Altitude Hamburg sits at approximately 6 meters (20 feet) above sea level — virtually at sea level, making it one of the lowest-elevation tournament venues on the ATP calendar. The dense sea-level air means the ball travels at a completely neutral pace with no altitude-related advantages for any playing style. Conditions here are entirely dictated by weather, not geography.
Humidity May in Hamburg brings mild but unpredictable northern European weather, with average temperatures between 10°C and 18°C (50°F–64°F) and humidity frequently above 70%. The moisture-laden air keeps the clay courts heavy and slow, making Hamburg one of the grittier clay-court battles of the spring season — physically demanding and favoring players with strong endurance.
Outdoor Tournament The Bitpanda Hamburg Open is one of the oldest tennis tournaments in the world, with its first edition held in 1892. It is played outdoors at the Am Rothenbaum stadium, which has no roof, leaving it fully exposed to Hamburg’s notoriously changeable spring weather. Rain delays and cool temperatures are common, and the schedule can be compressed dramatically when bad weather hits mid-week.
Surface The combination of sea-level altitude, high humidity, and Hamburg’s cool temperatures produces some of the heaviest and slowest clay conditions of the entire European spring swing. The ball sits up high and rallies tend to be long and physical, strongly favoring defensive baseliners and topspin specialists.