# 2020 Hamburg European Open – Singles

Nikoloz Basilashvili was the two-time defending champion, but lost in the first round to Roberto Bautista Agut.
Andrey Rublev won the title, his third of the 2020 season, defeating Stefanos Tsitsipas in the final, 6–4, 3–6, 7–5. Tsitsipas served for the championship at 5–4 in the third set.

## Seeds

* Daniil Medvedev (first round)
* Stefanos Tsitsipas (final)
* Gaël Monfils (first round)
* Roberto Bautista Agut (quarterfinals)
* Andrey Rublev (champion)
* Fabio Fognini (second round)
* Diego Schwartzman (withdrew, still competing in Rome)
* Karen Khachanov (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| | Casper Ruud | 4 | 2 | | | | | | |
| 5 | Andrey Rublev | 6 | 6 | | | | | | |
| 5 | Andrey Rublev | 6 | 6 | | 5 | Andrey Rublev | 6 | 3 | 7 |
| | | | | | 2 | Stefanos Tsitsipas | 4 | 6 | 5 |
| | Cristian Garín | 5 | 6 | 4 | 2 | Stefanos Tsitsipas | 4 | 6 | 5 |
| 2 | Stefanos Tsitsipas | 7 | 3 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | D Medvedev | 4 | 3 | | | | | | | | | | | | | | | |
| | U Humbert | 6 | 6 | | | U Humbert | 6 | 6 | | | | | | | | | | |
| Q | J Veselý | 7 | 6 | | Q | J Veselý | 4 | 3 | | | | | | | | | | |
| LL | G Simon | 5 | 2 | | | | | | | | U Humbert | 5 | 6 | 1 | | | | |
| | C Ruud | 6 | 2 | | | | | | | | C Ruud | 7 | 3 | 6 | | | | |
| | B Paire | 4 | 0$^r$ | | | C Ruud | 6 | 6 | | | | | | | | | | |
| WC | P Kohlschreiber | 6 | 1 | 5 | 6 | F Fognini | 3 | 3 | | | | | | | | | | |
| 6 | F Fognini | 4 | 6 | 7 | | | | | | | | | | | | C Ruud | 4 | 2 |
| 4 | R Bautista Agut | 6 | 6 | | | | | | | | | | | | 5 | A Rublev | 6 | 6 |
| | N Basilashvili | 4 | 3 | | 4 | R Bautista Agut | 6 | 3 | 6 | | | | | | | | | |
| | Y Nishioka | 6$^0$ | 6 | 1 | SE | D Koepfer | 3 | 6 | 3 | | | | | | | | | |
| SE | D Koepfer | 7$^7$ | 4 | 6 | | | | | | 4 | R Bautista Agut | 2 | 5 | | | | | |
| Q | T Paul | 6 | 0 | 6 | | | | | | 5 | A Rublev | 6 | 7 | | | | | |
| PR | K Anderson | 4 | 6 | 4 | Q | T Paul | 1 | 6 | 2 | | | | | | | | | |
| Q | T Sandgren | 3 | 3 | | 5 | A Rublev | 6 | 3 | 6 | | | | | | | | | |
| 5 | A Rublev | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| LL | A Bublik | 6 | 7$^7$ | | | | | | | | | | | | | | | |
| | A Ramos Viñolas | 2 | 6$^5$ | | LL | A Bublik | 6 | 6 | | | | | | | | | | |
| | L Sonego | 2 | 6$^2$ | | | F Auger-Aliassime | 4 | 2 | | | | | | | | | | |
| | F Auger-Aliassime | 6 | 7$^7$ | | | | | | LL | A Bublik | 6 | 4 | 4 | | | | | |
| | C Garín | 6 | 6 | | | | | | | C Garín | 3 | 6 | 6 | | | | | |
| | K Nishikori | 0 | 3 | | | C Garín | 6 | 7$^7$ | | | | | | | | | | |
| WC | Y Hanfmann | 6 | 6 | | WC | Y Hanfmann | 2 | 6$^3$ | | | | | | | | | | |
| 3 | G Monfils | 4 | 3 | | | | | | | | | | | | C Garín | 5 | 6 | 4 |
| 8/WC | K Khachanov | 7$^7$ | 4 | 7 | | | | | | | | | | 2 | S Tsitsipas | 7 | 3 | 6 |
| | J-L Struff | 6$^5$ | 6 | 5 | 8/WC | K Khachanov | 1 | 2 | | | | | | | | | | |
| | D Lajović | 6 | 6 | | | D Lajović | 6 | 6 | | | | | | | | | | |
| | A Mannarino | 4 | 1 | | | | | | | D Lajović | 6$^5$ | 2 | | | | | | |
| | T Fritz | 4 | 2 | | | | | | 2 | S Tsitsipas | 7$^7$ | 6 | | | | | | |
| Q | P Cuevas | 6 | 6 | | Q | P Cuevas | 5 | 4 | | | | | | | | | | |
| | D Evans | 3 | 1 | | 2 | S Tsitsipas | 7 | 6 | | | | | | | | | | |
| 2 | S Tsitsipas | 6 | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Tennys Sandgren (qualified)
* Yoshihito Nishioka (moved to main draw)
* Gilles Simon (qualifying competition, lucky loser)
* Alexander Bublik (qualifying competition, lucky loser)
* Tommy Paul (qualified)
* Pablo Cuevas (qualified)
* Juan Ignacio Londero (first round)
* Jiří Veselý (qualified)

### Qualifiers

* Tennys Sandgren
* Jiří Veselý
* Pablo Cuevas
* Tommy Paul

### Lucky losers

* Gilles Simon
* Alexander Bublik

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Tennys Sandgren | 6 | 7$^7$ | | | | |
| | Mikael Ymer | 3 | 6$^2$ | | | | |
| | Mikael Ymer | 3 | 6$^2$ | 1 | Tennys Sandgren | 6 | 7$^7$ |
| | | | | | Radu Albot | 1 | 6$^4$ |
| | Radu Albot | 7$^7$ | 6 | | Radu Albot | 1 | 6$^4$ |
| 7 | Juan Ignacio Londero | 6$^5$ | 4 | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Lenny Hampel | 6 | 7$^9$ | | | | |
| WC | Marvin Möller | 2 | 6$^7$ | | | | |
| WC | Marvin Möller | 2 | 6$^7$ | Alt | Lenny Hampel | 4 | 0 |
| | | | | 8 | Jiří Veselý | 6 | 6 |
| WC | Milan Welte | 4 | 4 | 8 | Jiří Veselý | 6 | 6 |
| 8 | Jiří Veselý | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Gilles Simon | 6 | 6 | | | | |
| WC | Mats Rosenkranz | 1 | 1 | | | | |
| WC | Mats Rosenkranz | 1 | 1 | 3 | Gilles Simon | 4 | 6$^2$ |
| | | | | 6 | Pablo Cuevas | 6 | 7$^7$ |
| Alt | Kevin Krawietz | 6$^6$ | 6$^3$ | 6 | Pablo Cuevas | 6 | 7$^7$ |
| 6 | Pablo Cuevas | 7$^8$ | 7$^7$ | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Alexander Bublik | 6 | 7 | | | | |
| Alt | Mats Moraing | 2 | 5 | | | | |
| Alt | Mats Moraing | 2 | 5 | 4 | Alexander Bublik | 4 | 4 |
| | | | | 5 | Tommy Paul | 6 | 6 |
| | João Sousa | 1 | 3 | 5 | Tommy Paul | 6 | 6 |
| 5 | Tommy Paul | 6 | 6 | | | | |