# 2020 Sofia Open – Singles

Jannik Sinner defeated Vasek Pospisil in the final, 6–4, 3–6, 7–6$^{(7–3)}$ to win the singles tennis title at the 2020 Sofia Open. It was his first ATP Tour title.
Daniil Medvedev was the reigning champion, but chose not to defend his title.

## Seeds

The top four seeds received a bye into the second round.
* Denis Shapovalov (second round)
* Félix Auger-Aliassime (second round)
* Alex de Minaur (quarterfinals)
* Jan-Lennard Struff (second round)
* Adrian Mannarino (semifinals)
* John Millman (quarterfinals)
* Nikoloz Basilashvili (first round)
* Marin Čilić (first 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 |
| 5 | Adrian Mannarino | 3 | 5 | | | | | |
| | Jannik Sinner | 6 | 7 | | | | | |
| | Jannik Sinner | 6 | 7 | | Jannik Sinner | 6 | 3 | 7$^7$ |
| | | | | | Vasek Pospisil | 4 | 6 | 6$^3$ |
| | Vasek Pospisil | 6$^6$ | 6 | 6 | Vasek Pospisil | 4 | 6 | 6$^3$ |
| | Richard Gasquet | 7$^8$ | 2 | 0 | | | | |

### Top 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 |
| | | | | | 1 | D Shapovalov | 2 | 4 | | | | | | | | | |
| | R Albot | 6 | 6 | | | R Albot | 6 | 6 | | | | | | | | | |
| | Y Sugita | 4 | 1 | | | | | | | R Albot | 2 | 6 | 3 | | | | |
| | E Gerasimov | 6 | 3 | 6 | | | | | 5 | A Mannarino | 6 | 1 | 6 | | | | |
| Q | V Troicki | 3 | 6 | 3 | | E Gerasimov | 4 | 6$^6$ | | | | | | | | | |
| LL | M Kližan | 6 | 1 | 5 | 5 | A Mannarino | 6 | 7$^8$ | | | | | | | | | |
| 5 | A Mannarino | 3 | 6 | 7 | | | | | | | | | | 5 | A Mannarino | 3 | 5 |
| | | | | | | | | | | | | | | | J Sinner | 6 | 7 |
| | | | | | 3 | A de Minaur | 6 | 7$^7$ | | | | | | | | | |
| Q | T Daniel | 6$^2$ | 1 | | Q | A Karatsev | 4 | 6$^5$ | | | | | | | | | |
| Q | A Karatsev | 7$^7$ | 6 | | | | | | 3 | A de Minaur | 7$^7$ | 4 | 1 | | | | |
| | M Fucsovics | 2 | 4 | | | | | | | J Sinner | 6$^3$ | 6 | 6 | | | | |
| | J Sinner | 6 | 6 | | | J Sinner | 6 | 6 | | | | | | | | | |
| LL | M-A Hüsler | 6 | 4 | 7$^8$ | LL | M-A Hüsler | 3 | 4 | | | | | | | | | |
| 7 | N Basilashvili | 1 | 6 | 6$^6$ | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | J Millman | 6 | 6 | | | | | | | | | | | | | | |
| WC | A Andreev | 3 | 1 | | 6 | J Millman | 7 | 6$^3$ | 6 | | | | | | | | |
| Q | G Simon | 6 | 6 | | Q | G Simon | 5 | 7$^7$ | 2 | | | | | | | | |
| | A Martin | 2 | 2 | | | | | | | 6 | J Millman | 3 | 2 | | | | |
| | V Pospisil | 6 | 5 | 7$^7$ | | | | | | | V Pospisil | 6 | 6 | | | | |
| LL | I Marchenko | 2 | 7 | 6$^5$ | | V Pospisil | 6 | 6 | | | | | | | | | |
| | | | | | 4 | J-L Struff | 3 | 4 | | | | | | | | | |
| | | | | | | | | | | | | | | V Pospisil | 6$^6$ | 6 | 6 |
| 8 | M Čilić | 3 | 2 | | | | | | | | | | | R Gasquet | 7$^8$ | 2 | 0 |
| WC | J Forejtek | 6 | 6 | | WC | J Forejtek | 4 | 2 | | | | | | | | | |
| | R Carballés Baena | 3 | 4 | | | R Gasquet | 6 | 6 | | | | | | | | | |
| | R Gasquet | 6 | 6 | | | | | | | | R Gasquet | 7$^7$ | 7 | | | | |
| | S Caruso | 4 | 6 | 6 | | | | | | | S Caruso | 6$^4$ | 5 | | | | |
| WC | D Kuzmanov | 6 | 4 | 4 | | S Caruso | 6 | 6 | | | | | | | | | |
| | | | | | 2 | F Auger-Aliassime | 4 | 4 | | | | | | | | | |

## Qualifying
### Seeds

* Gilles Simon (qualified)
* Yūichi Sugita (moved to main draw)
* Aslan Karatsev (qualified)
* Taro Daniel (qualified)
* Evgeny Donskoy (first round)
* Jozef Kovalík (first round)
* Martin Kližan (qualifying competition, lucky loser)
* Marc-Andrea Hüsler (qualifying competition, lucky loser)

### Qualifiers

* Gilles Simon
* Viktor Troicki
* Aslan Karatsev
* Taro Daniel

### Lucky losers

* Illya Marchenko
* Martin Kližan
* Marc-Andrea Hüsler

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Gilles Simon | 6 | 6 | | | | |
| Alt | Luke Saville | 4 | 3 | | | | |
| Alt | Luke Saville | 4 | 3 | 1 | Gilles Simon | 6 | 6 |
| | | | | | Illya Marchenko | 2 | 3 |
| | Illya Marchenko | 7 | 6 | | Illya Marchenko | 2 | 3 |
| 6 | Jozef Kovalík | 5 | 3 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Fabrizio Ornago | 6 | 1 | 6 | | | | |
| WC | Gabriel Donev | 3 | 6 | 2 | | | | |
| WC | Gabriel Donev | 3 | 6 | 2 | Alt | Fabrizio Ornago | 2 | 4 |
| | | | | | | Viktor Troicki | 6 | 6 |
| | Viktor Troicki | 6 | 6$^2$ | 6 | | Viktor Troicki | 6 | 6 |
| 5 | Evgeny Donskoy | 4 | 7$^7$ | 4 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Aslan Karatsev | 6 | 6 | | | | |
| WC | Alexander Donski | 2 | 3 | | | | |
| WC | Alexander Donski | 2 | 3 | 3 | Aslan Karatsev | 7$^7$ | 6 |
| | | | | 8 | Marc-Andrea Hüsler | 6$^2$ | 4 |
| | Frederico Ferreira Silva | 4 | 5 | 8 | Marc-Andrea Hüsler | 6$^2$ | 4 |
| 8 | Marc-Andrea Hüsler | 6 | 7 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Taro Daniel | 6 | 6 | | | | |
| | Zdeněk Kolář | 4 | 3 | | | | |
| | Zdeněk Kolář | 4 | 3 | 4 | Taro Daniel | 6 | 6 |
| | | | | 7 | Martin Kližan | 3 | 4 |
| | Max Purcell | 5 | 4 | 7 | Martin Kližan | 3 | 4 |
| 7 | Martin Kližan | 7 | 6 | | | | |