# 2019 Guzzini Challenger – Singles

Daniel Brands was the defending champion but chose not to defend his title.
Egor Gerasimov won the title after defeating Roberto Marcora 6–2, 7–5 in the final.

## Seeds

All seeds receive a bye into the second round.
* Matthias Bachinger (third round)
* Evgeny Donskoy (second round)
* Lorenzo Giustino (second round)
* Sergiy Stakhovsky (third round)
* Ilya Ivashka (second round)
* Lukáš Lacko (semifinals)
* Adrián Menéndez Maceiras (second round)
* Filippo Baldi (second round)
* Ramkumar Ramanathan (quarterfinals)
* Egor Gerasimov (champion)
* Stefano Napolitano (second round)
* Emilio Gómez (third round)
* Viktor Galović (quarterfinals)
* Mirza Bašić (second round)
* Mats Moraing (semifinals)
* Enrique López Pérez (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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Roberto Marcora | 7 | 6$^5$ | 7$^8$ | | | | | | | | | |
| | Jurij Rodionov | 5 | 7$^7$ | 6$^6$ | | | | | | | | | |
| | Jurij Rodionov | 5 | 7$^7$ | 6$^6$ | | Roberto Marcora | 4 | 7 | 7$^9$ | | | | |
| | | | | | 15 | Mats Moraing | 6 | 5 | 6$^7$ | | | | |
| 15 | Mats Moraing | 6 | 6 | | 15 | Mats Moraing | 6 | 5 | 6$^7$ | | | | |
| 9 | Ramkumar Ramanathan | 4 | 1 | | | | | | | | | | |
| 9 | Ramkumar Ramanathan | 4 | 1 | | | | | | | | Roberto Marcora | 2 | 5 |
| | | | | | | | | | | 10 | Egor Gerasimov | 6 | 7 |
| 6 | Lukáš Lacko | 7 | 6 | | | | | | | | | | | 10 | Egor Gerasimov | 6 | 7 |
| 13 | Viktor Galović | 5 | 3 | | | | | | | | | | |
| 13 | Viktor Galović | 5 | 3 | | 6 | Lukáš Lacko | 3 | 6 | 3 | | | | |
| | | | | | 10 | Egor Gerasimov | 6 | 1 | 6 | | | | |
| 10 | Egor Gerasimov | 6 | 6 | | 10 | Egor Gerasimov | 6 | 1 | 6 | | | | |
| | Kenny de Schepper | 4 | 3 | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1/WC | M Bachinger | 6 | 6 | | | | | | | | | | |
| WC | G Fonio | 1 | 2 | | | Zh Zhang | 1 | 4 | | | | | | | | | | |
| | Zh Zhang | 6 | 6 | | | | | | | 1/WC | M Bachinger | 7$^7$ | 3 | 4 | | | | |
| | R Quiroz | 1 | 6 | 5 | | | | | | | R Marcora | 6$^5$ | 6 | 6 | | | | |
| | R Marcora | 6 | 4 | 7 | | R Marcora | 6 | 6 | | | | | | | | | | |
| | | | | | 14 | M Bašić | 3 | 4 | | | | | | | | | | |
| | | | | | | | | | | | | | | | R Marcora | 7 | 6$^5$ | 7$^8$ |
| | | | | | | | | | | | | | | | J Rodionov | 5 | 7$^7$ | 6$^6$ |
| | | | | | 11 | S Napolitano | 4 | 3 | | | | | | | | | | |
| ITF | E Tiurnev | 3 | 3 | | | J Rodionov | 6 | 6 | | | | | | | | | | |
| | J Rodionov | 6 | 6 | | | | | | | | J Rodionov | 3 | 7$^7$ | 6 | | | | |
| | G Oliveira | 3 | 4 | | | | | | | ITF | R Brancaccio | 6 | 6$^4$ | 1 | | | | |
| ITF | R Brancaccio | 6 | 6 | | ITF | R Brancaccio | 4 | 6 | 6 | | | | | | | | | |
| | | | | | 7 | A Menéndez Maceiras | 6 | 3 | 3 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | L Giustino | 6$^4$ | 2 | | | | | | | | | |
| | A Bega | 2 | 7 | 6 | | A Bega | 7$^7$ | 6 | | | | | | | | | |
| WC | E Dalla Valle | 6 | 5 | 2 | | | | | | | A Bega | 3 | 2 | | | | |
| Q | Samuele Ramazzotti | 7 | 7$^7$ | | | | | | | 15 | M Moraing | 6 | 6 | | | | |
| | V Durasovic | 5 | 6$^3$ | | Q | S Ramazzotti | 4 | 4 | | | | | | | | | |
| | | | | | 15 | M Moraing | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 15 | M Moraing | 6 | 6 |
| | | | | | | | | | | | | | | 9 | R Ramanathan | 4 | 1 |
| | | | | | 9 | R Ramanathan | 6 | 6 | | | | | | | | | |
| ITF | A Rinderknech | 4 | 3 | | Q | N Čačić | 3 | 3 | | | | | | | | | |
| Q | N Čačić | 6 | 6 | | | | | | | 9 | R Ramanathan | 6 | 6 | | | | |
| | M Viola | 6 | 7$^7$ | | | | | | | | M Viola | 4 | 1 | | | | |
| WC | Emiliano Maggioli | 3 | 6$^4$ | | | M Viola | 6 | 5 | 6 | | | | | | | | |
| | | | | | 5 | I Ivashka | 4 | 7 | 4 | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | L Lacko | 6 | 6 | | | | | | | | | | |
| | L Vanni | 6$^4$ | 4 | | | A Avidzba | 2 | 4 | | | | | | | | | | |
| | A Avidzba | 7$^7$ | 6 | | | | | | | 6 | L Lacko | 7$^8$ | 4 | 6 | | | | |
| ITF | A Karatsev | 2 | 5 | | | | | | | 12 | E Gómez | 6$^6$ | 6 | 3 | | | | |
| | T Seyboth Wild | 6 | 7 | | | T Seyboth Wild | 4 | 4$^r$ | | | | | | | | | | |
| | | | | | 12 | E Gómez | 6 | 3 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 6 | L Lacko | 7 | 6 |
| | | | | | | | | | | | | | | | 13 | V Galović | 5 | 3 |
| | | | | | 13 | V Galović | 7$^7$ | 6 | | | | | | | | | | |
| | P Kotov | 6 | 1 | 6 | | P Kotov | 6$^4$ | 4 | | | | | | | | | | |
| | JP Varillas | 4 | 6 | 4 | | | | | | 13 | V Galović | 5 | 6 | 6 | | | | |
| | I Marchenko | 2 | 7$^7$ | 6 | | | | | | 4 | S Stakhovsky | 7 | 3 | 3 | | | | |
| | K Uchida | 6 | 6$^5$ | 4 | | I Marchenko | 6$^4$ | 6 | 5 | | | | | | | | | |
| | | | | | 4 | S Stakhovsky | 7$^7$ | 3 | 7 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 8 | F Baldi | 3 | 7$^8$ | 2 | | | | | | | | | |
| | A Vavassori | 6 | 7 | | A Vavassori | 6 | 6$^6$ | 6 | | | | | | | | | |
| Alt | M Bortolotti | 4 | 5 | | | | | | | A Vavassori | 1 | 6 | 3 | | | | |
| | G Sakharov | 3 | 6$^5$ | | | | | | 10 | E Gerasimov | 6 | 3 | 6 | | | | |
| | M-A Hüsler | 6 | 7$^7$ | | M-A Hüsler | 5 | 6$^5$ | | | | | | | | | | |
| | | | | 10 | E Gerasimov | 7 | 7$^7$ | | | | | | | | | | |
| | | | | | | | | | | | | | | 10 | E Gerasimov | 6 | 6 |
| | | | | | | | | | | | | | | | K de Schepper | 4 | 3 |
| | | | | 16 | E López Pérez | 2 | 4 | | | | | | | | | | |
| | Yo Watanuki | 6 | 6 | | Yo Watanuki | 6 | 6 | | | | | | | | | | |
| WC | L Musetti | 0 | 2 | | | | | | | Yo Watanuki | 0 | 2 | | | | | |
| | A Šetkić | 5 | 3 | | | | | | | K de Schepper | 6 | 6 | | | | | |
| | K de Schepper | 7 | 6 | | K de Schepper | 6 | 6 | | | | | | | | | | |
| | | | | 2 | E Donskoy | 3 | 4 | | | | | | | | | | |