# 2021 Internazionali di Tennis Città di Verona – Singles

This was the first edition of the tournament.
Holger Rune won the title after defeating Nino Serdarušić 6–4, 6–2 in the final.

## Seeds

* Carlos Taberner (semifinals)
* Dmitry Popko (quarterfinals)
* Paolo Lorenzi (second round)
* Holger Rune (champion)
* Jay Clarke (semifinals)
* Maxime Janvier (quarterfinals)
* Lorenzo Giustino (first round)
* Gastão Elias (quarterfinals)

## 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 |
| 1 | Carlos Taberner | 2 | 1 | | | | |
| 4 | Holger Rune | 6 | 6 | | | | |
| 4 | Holger Rune | 6 | 6 | 4 | Holger Rune | 6 | 6 |
| | | | | | Nino Serdarušić | 4 | 2 |
| | Nino Serdarušić | 6 | 6 | | Nino Serdarušić | 4 | 2 |
| 5 | Jay Clarke | 1 | 1 | | | | |

### 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 | Semifinals |
| 1 | C Taberner | 6 | 7$^7$ | | | | | | | | | | | | | | |
| | J de Jong | 3 | 6$^1$ | | 1 | C Taberner | 6 | 4 | 6 | | | | | | | | |
| | P Kotov | 6 | 6 | | | P Kotov | 2 | 6 | 1 | | | | | | | | |
| WC | M Bortolotti | 3 | 3 | | | | | | | 1 | C Taberner | 6 | 6 | | | | |
| | T Gabashvili | 6$^3$ | 6 | 7$^7$ | | | | | | 6 | M Janvier | 2 | 2 | | | | |
| | T van Rijthoven | 7$^7$ | 2 | 6$^4$ | | T Gabashvili | 2 | 2 | | | | | | | | | |
| | M Guinard | 4 | 7$^7$ | 6$^6$ | 6 | M Janvier | 6 | 6 | | | | | | | | | |
| 6 | M Janvier | 6 | 6$^4$ | 7$^8$ | | | | | | | | | | 1 | C Taberner | 2 | 1 |
| 4 | H Rune | 6 | 7$^7$ | | | | | | | | | | | 4 | H Rune | 6 | 6 |
| Q | M Pecotić | 2 | 6$^3$ | | 4 | H Rune | 6 | 6 | | | | | | | | | |
| | M Jaziri | 4 | 1 | | Q | M Pucinelli de Almeida | 2 | 3 | | | | | | | | | |
| Q | M Pucinelli de Almeida | 6 | 6 | | | | | | | 4 | H Rune | 6 | 6 | | | | |
| Q | N Fatić | 6 | 6 | | | | | | | | R Bonadio | 3 | 2 | | | | |
| | M Viola | 0 | 1 | | Q | N Fatić | 1 | 4 | | | | | | | | | |
| | R Bonadio | 4 | 6 | 6 | | R Bonadio | 6 | 6 | | | | | | | | | |
| 7 | L Giustino | 6 | 4 | 4 | | | | | | | | | | | | | |

### 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 |
| 8 | G Elias | 6 | 6 | | | | | | | | | | | | | | | |
| | A Arnaboldi | 2 | 4 | | 8 | G Elias | 6 | 6 | | | | | | | | | | |
| Q | F Forti | 6 | 7 | | Q | F Forti | 2 | 4 | | | | | | | | | | |
| WC | Fletcher Scott | 1 | 5 | | | | | | | 8 | G Elias | 6 | 3 | 0 | | | | |
| | N Serdarušić | 6 | 6 | | | | | | | | N Serdarušić | 4 | 6 | 6 | | | | |
| Alt | F Baldi | 3 | 2 | | | N Serdarušić | 6 | 6 | | | | | | | | | | |
| | G Oliveira | 3 | 3 | | 3 | P Lorenzi | 3 | 1 | | | | | | | | | | |
| 3 | P Lorenzi | 6 | 6 | | | | | | | | | | | | | N Serdarušić | 6 | 6 |
| 5 | J Clarke | 6 | 6 | | | | | | | | | | | | 5 | J Clarke | 1 | 1 |
| | N Mejía | 3 | 4 | | 5 | J Clarke | 6 | 6 | | | | | | | | | | |
| | R Quiroz | 6 | 0 | 6 | | R Quiroz | 4 | 4 | | | | | | | | | | |
| | C-h Tseng | 2 | 6 | 4 | | | | | | 5 | J Clarke | 3 | 6 | 7 | | | | |
| | V Sachko | 6 | 5 | 2 | | | | | | 2 | D Popko | 6 | 4 | 5 | | | | |
| WC | G Zeppieri | 1 | 7 | 6 | WC | G Zeppieri | 5 | 6 | 2 | | | | | | | | | |
| SE | O Luz | 3 | 1 | | 2 | D Popko | 7 | 2 | 6 | | | | | | | | | |
| 2 | D Popko | 6 | 6 | | | | | | | | | | | | | | | |