# 2020 Internazionali di Tennis del Friuli Venezia Giulia – Singles

Christopher O'Connell was the defending champion but chose not to defend his title.
Bernabé Zapata Miralles won the title after defeating Carlos Alcaraz 6–2, 4–6, 6–2 in the final.

## Seeds

* Yannick Hanfmann (first round)
* Antoine Hoang (first round)
* Cedrik-Marcel Stebe (second round)
* Facundo Bagnis (quarterfinals)
* Yannick Maden (first round)
* Lorenzo Giustino (first round)
* Roberto Marcora (first round)
* Jurij Rodionov (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 | Final | Final | Final | Final | Final |
| | Bernabé Zapata Miralles | 6 | 6 | | | | | |
| | Alejandro Tabilo | 1 | 0 | | | | | |
| | Alejandro Tabilo | 1 | 0 | | Bernabé Zapata Miralles | 6 | 4 | 6 |
| | | | | SE | Carlos Alcaraz | 2 | 6 | 2 |
| SE | Carlos Alcaraz | 6 | 7$^8$ | SE | Carlos Alcaraz | 2 | 6 | 2 |
| | Daniel Altmaier | 1 | 6$^6$ | | | | | |

### 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 | Semifinals | Semifinals | Semifinals |
| 1 | Y Hanfmann | 7$^7$ | 4 | 4 | | | | | | | | | | | | |
| | B Zapata Miralles | 6$^5$ | 6 | 6 | | B Zapata Miralles | 6 | 7 | | | | | | | | |
| Q | A Müller | 4 | 6 | 6 | Q | A Müller | 1 | 5 | | | | | | | | |
| Q | A Pellegrino | 6 | 2 | 3 | | | | | | | B Zapata Miralles | 7$^7$ | 3 | | | |
| | A Collarini | 6 | 6 | | | | | | | | A Collarini | 6$^2$ | 2$^r$ | | | |
| | M Viola | 0 | 1 | | | A Collarini | 6 | 6 | | | | | | | | |
| | M Vilella Martínez | 6 | 2 | 6 | | M Vilella Martínez | 2 | 4 | | | | | | | | |
| 6 | L Giustino | 4 | 6 | 4 | | | | | | | | | | B Zapata Miralles | 6 | 6 |
| 3 | C-M Stebe | 7$^8$ | 6 | | | | | | | | | | | A Tabilo | 1 | 0 |
| WC | L Nardi | 6$^6$ | 3 | | 3 | C-M Stebe | 7 | 4 | 2 | | | | | | | |
| | R Cid Subervi | 3 | 4 | | | A Tabilo | 5 | 6 | 6 | | | | | | | |
| | A Tabilo | 6 | 6 | | | | | | | | A Tabilo | 7 | 6 | | | |
| PR | M Marterer | 6 | 1 | 6 | | | | | | WC | R Bonadio | 5 | 1 | | | |
| | J Menezes | 1 | 6 | 3 | PR | M Marterer | 4 | 6$^6$ | | | | | | | | |
| WC | R Bonadio | 6 | 7$^7$ | | WC | R Bonadio | 6 | 7$^8$ | | | | | | | | |
| 8 | J Rodionov | 3 | 6$^1$ | | | | | | | | | | | | | |

### 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 |
| 7 | R Marcora | 5 | 4 | | | | | | | | | | | | | | |
| | B Bonzi | 7 | 6 | | | B Bonzi | 3 | 6$^3$ | | | | | | | | | |
| SE | C Alcaraz | 4 | 6 | 7 | SE | C Alcaraz | 6 | 7$^7$ | | | | | | | | | |
| | JP Ficovich | 6 | 3 | 5 | | | | | SE | C Alcaraz | 7$^7$ | 4 | 6 | | | | |
| Q | G Zeppieri | 2 | 3 | | | | | | 4 | F Bagnis | 6$^5$ | 6 | 2 | | | | |
| | L Broady | 6 | 6 | | | L Broady | 3 | 6$^4$ | | | | | | | | | |
| | Q Halys | 7$^{10}$ | 2 | 2 | 4 | F Bagnis | 6 | 7$^7$ | | | | | | | | | |
| 4 | F Bagnis | 6$^8$ | 6 | 6 | | | | | | | | | | SE | C Alcaraz | 6 | 7$^8$ |
| 5 | Y Maden | 1 | 0 | | | | | | | | | | | | D Altmaier | 1 | 6$^6$ |
| SE | L Musetti | 6 | 6 | | SE | L Musetti | 6 | 6 | | | | | | | | | |
| | M Janvier | 4 | 4 | | Q | F Cerúndolo | 3 | 0 | | | | | | | | | |
| Q | F Cerúndolo | 6 | 6 | | | | | | SE | L Musetti | 6$^4$ | 2 | | | | | |
| | T Robredo | 1 | 6 | 6$^2$ | | | | | | D Altmaier | 7$^7$ | 6 | | | | | |
| | D Altmaier | 6 | 3 | 7$^7$ | | D Altmaier | 6 | 6 | | | | | | | | | |
| WC | L Darderi | 6 | 6$^5$ | 6 | WC | L Darderi | 4 | 2 | | | | | | | | | |
| 2 | A Hoang | 2 | 7$^7$ | 4 | | | | | | | | | | | | | |