# 2019 Centenario Open – Singles

This was the first edition of the tournament.
Elisabetta Cocciaretto won the title, defeating Sara Errani in an all-Italian final, 6–1, 4–6, 6–0.

## Seeds

* Verónica Cepede Royg (second round)
* Allie Kiick (quarterfinals, retired)
* Camila Osorio (semifinals)
* Conny Perrin (second round)
* Mayar Sherif (first round)
* Sara Errani (final)
* Valentini Grammatikopoulou (first round)
* Katharina Gerlach (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 | Final |
| Q | Guillermina Naya | 6 | 2 | 2 | | | | | |
| | Elisabetta Cocciaretto | 2 | 6 | 6 | | | | | |
| | Elisabetta Cocciaretto | 2 | 6 | 6 | | Elisabetta Cocciaretto | 6 | 4 | 6 |
| | | | | | 6 | Sara Errani | 1 | 6 | 0 |
| 3 | Camila Osorio | 6 | 1 | 3 | 6 | Sara Errani | 1 | 6 | 0 |
| 6 | Sara Errani | 4 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | V Cepede Royg | 5 | 7 | 6 | | | | | | | | | | | | | | | |
| | S Mendez | 7 | 5 | 2 | 1 | V Cepede Royg | 3 | 6$^3$ | | | | | | | | | | | |
| Q | G Naya | 6 | 6 | | Q | G Naya | 6 | 7$^7$ | | | | | | | | | | | |
| Q | TG Pedretti | 1 | 4 | | | | | | | Q | G Naya | 7 | 2 | 6 | | | | | |
| | G García Pérez | 5 | 2 | | | | | | | | R Zarazúa | 5 | 6 | 2 | | | | | |
| | D Seguel | 7 | 6 | | | D Seguel | 6 | 5 | 4 | | | | | | | | | | |
| | R Zarazúa | 6 | 6 | | | R Zarazúa | 4 | 7 | 6 | | | | | | | | | | |
| 8 | K Gerlach | 2 | 0 | | | | | | | | | | | | Q | G Naya | 6 | 2 | 2 |
| 4 | C Perrin | 6 | 6 | | | | | | | | | | | | | E Cocciaretto | 2 | 6 | 6 |
| Q | L Pigossi | 1 | 2 | | 4 | C Perrin | 7 | 4 | 5 | | | | | | | | | | |
| | E Cocciaretto | 6 | 3 | 6 | | E Cocciaretto | 5 | 6 | 7 | | | | | | | | | | |
| Q | M Stokke | 4 | 6 | 4 | | | | | | | E Cocciaretto | 6 | 6 | | | | | | |
| Q | B Gatica | 6 | 6 | | | | | | | | G Cé | 4 | 2 | | | | | | |
| | D Papamichail | 3 | 1 | | Q | B Gatica | 2 | 3 | | | | | | | | | | | |
| | G Cé | 7$^8$ | 6$^6$ | 6 | | G Cé | 6 | 6 | | | | | | | | | | | |
| 5 | M Sherif | 6$^6$ | 7$^8$ | 3 | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 7 | V Grammatikopoulou | 3 | 2 | | | | | | | | | | | | | | | | |
| Q | T Pereira | 6 | 6 | | Q | T Pereira | 6 | 6 | | | | | | | | | | | |
| Q | E Piai | 6 | 6 | | Q | E Piai | 3 | 4 | | | | | | | | | | | |
| WC | S Tami-Masi | 1 | 0 | | | | | | | Q | T Pereira | 3 | 6 | 5 | | | | | |
| WC | C Alves | 4 | 7$^7$ | 7 | | | | | | 3 | C Osorio | 6 | 3 | 7 | | | | | |
| | N Podoroska | 6 | 6$^2$ | 5 | WC | C Alves | 5 | 6 | 4 | | | | | | | | | | |
| | I Burillo Escorihuela | 4 | 4 | | 3 | C Osorio | 7 | 3 | 6 | | | | | | | | | | |
| 3 | C Osorio | 6 | 6 | | | | | | | | | | | | 3 | C Osorio | 6 | 1 | 3 |
| 6 | S Errani | 6 | 6 | | | | | | | | | | | | 6 | S Errani | 4 | 6 | 6 |
| | AS Sánchez | 2 | 1 | | 6 | S Errani | 7$^7$ | 3 | 6 | | | | | | | | | | |
| | A Danilina | 6 | 6 | | | A Danilina | 6$^4$ | 6 | 0 | | | | | | | | | | |
| Q | V Bosio | 1 | 2 | | | | | | | 6 | S Errani | 1 | 6 | 3 | | | | | |
| | H Baptiste | 5 | 4 | | | | | | | 2 | A Kiick | 6 | 1 | 1$^r$ | | | | | |
| WC | L Escauriza | 7 | 6 | | WC | L Escauriza | 3 | 1 | | | | | | | | | | | |
| WC | S Doldán | 1 | 2 | | 2 | A Kiick | 6 | 6 | | | | | | | | | | | |
| 2 | A Kiick | 6 | 6 | | | | | | | | | | | | | | | | |