# 2019 Tunis Open – Singles

Guido Andreozzi was the defending champion but chose not to defend his title.
Pablo Cuevas won the title after defeating João Domingues 7–5, 6–4 in the final.

## Seeds

All seeds receive a bye into the second round.
* Pablo Cuevas (champion)
* Pedro Sousa (third round)
* Guillermo García López (second round)
* Pedro Martínez (second round)
* Facundo Bagnis (second round)
* Oscar Otte (third round)
* Quentin Halys (second round)
* Stefano Travaglia (second round)
* Ruben Bemelmans (third round)
* Lorenzo Giustino (semifinals)
* Jürgen Zopp (second round)
* Daniel Gimeno Traver (quarterfinals)
* Facundo Argüello (quarterfinals)
* Roberto Marcora (second round)
* Stefano Napolitano (second round)
* Alexey Vatutin (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 | Final | Final | Final | Final |
| 1/WC | Pablo Cuevas | 6 | 7 | | | | | | | | | |
| 12 | Daniel Gimeno Traver | 2 | 5 | | | | | | | | | |
| 12 | Daniel Gimeno Traver | 2 | 5 | | 1/WC | Pablo Cuevas | 6 | 6 | | | | |
| | | | | | 10 | Lorenzo Giustino | 2 | 4 | | | | |
| 13 | Facundo Argüello | 6 | 3 | 4 | 10 | Lorenzo Giustino | 2 | 4 | | | | |
| 10 | Lorenzo Giustino | 2 | 6 | 6 | | | | | | | | |
| 10 | Lorenzo Giustino | 2 | 6 | 6 | | | | | 1/WC | Pablo Cuevas | 7 | 6 |
| | | | | | | | | | | João Domingues | 5 | 4 |
| | Gian Marco Moroni | 7 | 4 | 5 | | | | | | | | | João Domingues | 5 | 4 |
| | João Domingues | 5 | 6 | 7 | | | | | | | | |
| | João Domingues | 5 | 6 | 7 | | João Domingues | 6 | 6 | | | | |
| | | | | | | Thomaz Bellucci | 4 | 4 | | | | |
| | Thomaz Bellucci | 6 | 6 | | | Thomaz Bellucci | 4 | 4 | | | | |
| | Attila Balázs | 2 | 2 | | | | | | | | | |

### 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1/WC | P Cuevas | 6 | 6 | | | | | | | | | |
| | P Cachin | 6 | 6 | | | P Cachin | 3 | 2 | | | | | | | | | |
| ITF | I Nedelko | 3 | 2 | | | | | | | 1/WC | P Cuevas | 7 | 6 | | | | |
| | V Troicki | 6$^4$ | 6 | 3 | | | | | | | V Troicki | 5 | 4 | | | | |
| WC | A Dougaz | 7$^7$ | 4 | 0$^r$ | | V Troicki | 7 | 7$^7$ | | | | | | | | | |
| | | | | | 15 | S Napolitano | 5 | 6$^4$ | | | | | | | | | |
| | | | | | | | | | | | | | | 1/WC | P Cuevas | 6 | 7 |
| | | | | | | | | | | | | | | 12 | D Gimeno Traver | 2 | 5 |
| | | | | | 12 | D Gimeno Traver | 7 | 6 | | | | | | | | | |
| | V Galović | 6 | 4 | 6 | | V Galović | 5 | 1 | | | | | | | | | |
| | M Vilella Martínez | 2 | 6 | 4 | | | | | | 12 | D Gimeno Traver | 7 | 6 | | | | |
| | B Bonzi | 6 | 2 | 5 | | | | | | | F Gaio | 5 | 3 | | | | |
| | F Gaio | 2 | 6 | 7 | | F Gaio | 6 | 3 | 6 | | | | | | | | |
| | | | | | 8 | S Travaglia | 2 | 6 | 4 | | | | | | | | |

#### 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | P Martínez | 6 | 3 | 4 | | | | | | | | | | |
| ITF | S Mansouri | 6 | 7$^7$ | | ITF | S Mansouri | 1 | 6 | 6 | | | | | | | | | | |
| | E Benchetrit | 4 | 6$^5$ | | | | | | | ITF | S Mansouri | 5 | 3 | | | | | | |
| Q | D Vega Hernández | 3 | 1 | | | | | | | 13 | F Argüello | 7 | 6 | | | | | | |
| | T Brkić | 6 | 6 | | | T Brkić | 4 | 3 | | | | | | | | | | | |
| | | | | | 13 | F Argüello | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 13 | F Argüello | 6 | 3 | 4 |
| | | | | | | | | | | | | | | | 10 | L Giustino | 2 | 6 | 6 |
| | | | | | 10 | L Giustino | 6 | 6 | | | | | | | | | | | |
| | Z Kolař | 6 | 6 | | | Z Kolař | 1 | 3 | | | | | | | | | | | |
| ITF | D Pérez Sanz | 4 | 3 | | | | | | | 10 | L Giustino | 6 | 5 | 6 | | | | | |
| | J Tatlot | 6 | 6$^4$ | 6 | | | | | | | J Tatlot | 1 | 7 | 3 | | | | | |
| | G Sakharov | 1 | 7$^7$ | 3 | | J Tatlot | 6 | 7$^7$ | | | | | | | | | | | |
| | | | | | 5 | F Bagnis | 2 | 6$^1$ | | | | | | | | | | | |

### 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 | O Otte | 7$^7$ | 7$^9$ | | | | | | | | | | |
| | A Šetkić | 4 | 4 | | | D Dima | 6$^5$ | 6$^7$ | | | | | | | | | | |
| | D Dima | 6 | 6 | | | | | | | 6 | O Otte | 2 | 3 | | | | | |
| | GM Moroni | 6 | 5 | 7 | | | | | | | GM Moroni | 6 | 6 | | | | | |
| ITF | R Bonadio | 3 | 7 | 5 | | GM Moroni | 6 | 6$^3$ | 6 | | | | | | | | | |
| | | | | | 11 | J Zopp | 4 | 7$^7$ | 2 | | | | | | | | | |
| | | | | | | | | | | | | | | | GM Moroni | 7 | 4 | 5 |
| | | | | | | | | | | | | | | | J Domingues | 5 | 6 | 7 |
| | | | | | 14 | R Marcora | 3 | 4 | | | | | | | | | | |
| ITF | O Roca Batalla | 2 | 6 | 4 | | F Coria | 6 | 6 | | | | | | | | | | |
| | F Coria | 6 | 4 | 6 | | | | | | | F Coria | 4 | 6 | 2 | | | | |
| | K Krawietz | 2 | 4 | | | | | | | | J Domingues | 6 | 3 | 6 | | | | |
| | J Domingues | 6 | 6 | | | J Domingues | 6 | 5 | 6 | | | | | | | | | |
| | | | | | 3/WC | G García López | 4 | 7 | 4 | | | | | | | | | |

#### Section 4

| 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 |
| | | | | | 7 | Q Halys | 6 | 4 | 2 | | | | | | | | |
| | D Masur | 6 | 2 | 5 | | T Bellucci | 1 | 6 | 6 | | | | | | | | |
| | T Bellucci | 2 | 6 | 7 | | | | | | | T Bellucci | 2 | 6 | 6 | | | |
| | N Serdarušić | 6 | 6 | | | | | | | 9 | R Bemelmans | 6 | 3 | 3 | | | |
| WC | C-h Tseng | 4 | 3 | | | N Serdarušić | 4 | 3 | | | | | | | | | |
| | | | | | 9 | R Bemelmans | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | T Bellucci | 6 | 6 |
| | | | | | | | | | | | | | | | A Balázs | 2 | 2 |
| | | | | | 16 | A Vatutin | 5 | 2 | | | | | | | | | |
| WC | M Echargui | 2 | 0 | | | A Balázs | 7 | 6 | | | | | | | | | |
| | A Balázs | 6 | 6 | | | | | | | | A Balázs | 4 | 6 | 6 | | | |
| Alt | A Escoffier | 4 | 3 | | | | | | | 2 | P Sousa | 6 | 3 | 2 | | | |
| Q | A Vavassori | 6 | 6 | | Q | A Vavassori | 2 | 6 | 1 | | | | | | | | |
| | | | | | 2 | P Sousa | 6 | 2 | 6 | | | | | | | | |