# 2020 Bett1Hulks Indoors – Singles

First seed Alexander Zverev won the tournament, defeating third seed Félix Auger-Aliassime 6–3, 6–3 in the final. This was the first edition of the tournament, primarily organised due to the cancellation of many tournaments in 2020, due to the COVID-19 pandemic.

## Seeds

The top four seeds received a bye into the second round.
* Alexander Zverev (champion)
* Roberto Bautista Agut (semifinals)
* Félix Auger-Aliassime (final)
* Benoît Paire (second round)
* Filip Krajinović (first round)
* Hubert Hurkacz (quarterfinals)
* Jan-Lennard Struff (first round)
* Marin Čilić (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 |
| 1 | Alexander Zverev | 7 | 7$^7$ | | | | | |
| | Alejandro Davidovich Fokina | 5 | 6$^3$ | | | | | |
| | Alejandro Davidovich Fokina | 5 | 6$^3$ | | 1 | Alexander Zverev | 6 | 6 |
| | | | | | 3 | Félix Auger-Aliassime | 3 | 3 |
| 3 | Félix Auger-Aliassime | 6 | 1 | 6 | 3 | Félix Auger-Aliassime | 3 | 3 |
| 2 | Roberto Bautista Agut | 3 | 6 | 3 | | | | |

### 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 | A Zverev | 6 | 6 | | | | | | | | | | |
| | F Verdasco | 6 | 6 | | | F Verdasco | 4 | 1 | | | | | | | | | | |
| WC | A Murray | 4 | 4 | | | | | | | 1 | A Zverev | 6 | 3 | 6 | | | | |
| | K Edmund | 5 | 6$^1$ | | | | | | | Q | L Harris | 4 | 6 | 0 | | | | |
| Q | L Harris | 7 | 7$^7$ | | Q | L Harris | 7$^7$ | 7$^7$ | | | | | | | | | | |
| | S Johnson | 3 | 6 | 6 | | S Johnson | 6$^5$ | 6$^2$ | | | | | | | | | | |
| 5 | F Krajinović | 6 | 4 | 4 | | | | | | | | | | | 1 | A Zverev | 7 | 7$^7$ |
| | | | | | | | | | | | | | | | | A Davidovich Fokina | 5 | 6$^3$ |
| | | | | | 4 | B Paire | 3 | 4 | | | | | | | | | | |
| | J Thompson | 3 | 3 | | | D Novak | 6 | 6 | | | | | | | | | | |
| | D Novak | 6 | 6 | | | | | | | | D Novak | 3 | 6 | 3 | | | | |
| Q | E Ruusuvuori | 5 | 4 | | | | | | | | A Davidovich Fokina | 6 | 2 | 6 | | | | |
| | A Davidovich Fokina | 7 | 6 | | | A Davidovich Fokina | 3 | 7$^7$ | 6 | | | | | | | | | |
| LL | M Giron | 2 | 6 | 3 | 8 | M Čilić | 6 | 6$^3$ | 2 | | | | | | | | | |
| 8 | M Čilić | 6 | 4 | 6 | | | | | | | | | | | | | | |

### Bottom 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 | Semifinals |
| 7 | J-L Struff | 4 | 3 | | | | | | | | | | | | | | | | |
| Q | O Otte | 6 | 6 | | Q | O Otte | 4 | 7 | 5 | | | | | | | | | | |
| | R Albot | 6 | 4 | 6 | | R Albot | 6 | 5 | 7 | | | | | | | | | | |
| | P-H Herbert | 2 | 6 | 4 | | | | | | | R Albot | 3 | 0 | | | | | | |
| WC | D Altmaier | 6 | 3 | 6$^5$ | | | | | | 3 | F Auger-Aliassime | 6 | 6 | | | | | | |
| Q | H Laaksonen | 3 | 6 | 7$^7$ | Q | H Laaksonen | 4 | 1 | | | | | | | | | | | |
| | | | | | 3 | F Auger-Aliassime | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 3 | F Auger-Aliassime | 6 | 1 | 6 |
| 6 | H Hurkacz | 6 | 7 | | | | | | | | | | | | 2 | R Bautista Agut | 3 | 6 | 3 |
| LL | M Polmans | 2 | 5 | | 6 | H Hurkacz | 6 | 6 | | | | | | | | | | | |
| | J Millman | 1 | 4 | | WC | M Zverev | 4 | 3 | | | | | | | | | | | |
| WC | M Zverev | 6 | 6 | | | | | | | 6 | H Hurkacz | 6$^4$ | 7 | 0 | | | | | |
| | G Simon | 6 | 6 | | | | | | | 2 | R Bautista Agut | 7$^7$ | 5 | 6 | | | | | |
| | M Fucsovics | 0 | 3 | | | G Simon | 4 | 6$^5$ | | | | | | | | | | | |
| | | | | | 2 | R Bautista Agut | 6 | 7$^7$ | | | | | | | | | | | |

## Qualifying
### Seeds

* Dominik Koepfer (first round)
* Lloyd Harris (qualified)
* Emil Ruusuvuori (qualified)
* Yūichi Sugita (first round)
* Yasutaka Uchiyama (first round)
* Marcos Giron (qualifying competition, lucky loser)
* Grégoire Barrère (first round)
* Marc Polmans (qualifying competition, lucky loser)

### Qualifiers

* Oscar Otte
* Lloyd Harris
* Emil Ruusuvuori
* Henri Laaksonen

### Lucky losers

* Marc Polmans
* Marcos Giron

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Dominik Koepfer | 1 | 2 | | | | | |
| | Oscar Otte | 6 | 6 | | | | | |
| | Oscar Otte | 6 | 6 | | Oscar Otte | 6$^6$ | 6 | 6 |
| | | | | 8 | Marc Polmans | 7$^8$ | 4 | 4 |
| | Ivo Karlović | 1 | 4 | 8 | Marc Polmans | 7$^8$ | 4 | 4 |
| 8 | Marc Polmans | 6 | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Lloyd Harris | 2 | 6 | 6 | | | | | |
| | Peter Gojowczyk | 6 | 1 | 3 | | | | | |
| | Peter Gojowczyk | 6 | 1 | 3 | 2 | Lloyd Harris | 2 | 6 | 6 |
| | | | | | 6 | Marcos Giron | 6 | 4 | 2 |
| WC | Rudolf Molleker | 4 | 3 | | 6 | Marcos Giron | 6 | 4 | 2 |
| 6 | Marcos Giron | 6 | 6 | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Emil Ruusuvuori | 7$^7$ | 6 | | | | |
| | Jason Jung | 6$^4$ | 3 | | | | |
| | Jason Jung | 6$^4$ | 3 | 3 | Emil Ruusuvuori | 6 | 6 |
| | | | | | Antoine Hoang | 1 | 3 |
| | Antoine Hoang | 7 | 6 | | Antoine Hoang | 1 | 3 |
| 7 | Grégoire Barrère | 5 | 4 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Yūichi Sugita | 1 | 4 | | | | |
| | Henri Laaksonen | 6 | 6 | | | | |
| | Henri Laaksonen | 6 | 6 | | Henri Laaksonen | 7 | 6 |
| | | | | WC | Daniel Masur | 5 | 2 |
| WC | Daniel Masur | 6 | 6 | WC | Daniel Masur | 5 | 2 |
| 5 | Yasutaka Uchiyama | 2 | 1 | | | | |