# 2020 Prague Open – Singles

Jil Teichmann was the defending champion, but chose to participate in Lexington instead.
Simona Halep won the title, defeating Elise Mertens in the final, 6–2, 7–5. Halep subsequently jumped into the Vltava.

## Seeds

* Simona Halep (champion)
* Petra Martić (second round)
* Elise Mertens (final)
* Dayana Yastremska (withdrew)
* Ekaterina Alexandrova (first round)
* Anastasia Pavlyuchenkova (first round)
* Barbora Strýcová (first round)
* Veronika Kudermetova (first round)
* Anastasija Sevastova (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 |
| 1 | Simona Halep | 7$^7$ | 6 | | | | |
| | Irina-Camelia Begu | 6$^2$ | 3 | | | | |
| | Irina-Camelia Begu | 6$^2$ | 3 | 1 | Simona Halep | 6 | 7 |
| | | | | 3 | Elise Mertens | 2 | 5 |
| 3 | Elise Mertens | 7 | 7$^7$ | 3 | Elise Mertens | 2 | 5 |
| | Kristýna Plíšková | 5 | 6$^4$ | | | | |

### 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 |
| 1 | S Halep | 6 | 1 | 7$^7$ | | | | | | | | | | | | | | |
| | P Hercog | 1 | 6 | 6$^3$ | 1 | S Halep | 3 | 7 | 6 | | | | | | | | | |
| | PM Țig | 4 | 3 | | WC | B Krejčíková | 6 | 5 | 2 | | | | | | | | | |
| WC | B Krejčíková | 6 | 6 | | | | | | | 1 | S Halep | 6 | 6 | | | | | |
| LL | M Fręch | 7$^{10}$ | 6 | | | | | | | LL | M Fręch | 2 | 0 | | | | | |
| Q | E-G Ruse | 6$^8$ | 3 | | LL | M Fręch | 6 | 2 | 6 | | | | | | | | | |
| | A Rus | 7 | 6 | | | A Rus | 3 | 6 | 4 | | | | | | | | | |
| 6 | A Pavlyuchenkova | 5 | 2 | | | | | | | | | | | | 1 | S Halep | 7$^7$ | 6 |
| 9 | A Sevastova | 2 | 2 | | | | | | | | | | | | | I-C Begu | 6$^2$ | 3 |
| | I-C Begu | 6 | 6 | | | I-C Begu | 6$^3$ | 7 | 7$^9$ | | | | | | | | | |
| | A Bolsova | 4 | 3 | | LL | L Küng | 7$^7$ | 5 | 6$^7$ | | | | | | | | | |
| LL | L Küng | 6 | 6 | | | | | | | | I-C Begu | 6 | 4 | 6 | | | | |
| | L Siegemund | 4 | 6 | 6 | | | | | | | S Sorribes Tormo | 2 | 6 | 2 | | | | |
| Q | M Sherif | 6 | 0 | 1 | | L Siegemund | 2 | 3 | | | | | | | | | | |
| | S Sorribes Tormo | 7$^7$ | 6 | | | S Sorribes Tormo | 6 | 6 | | | | | | | | | | |
| 7 | B Strýcová | 6$^3$ | 1 | | | | | | | | | | | | | | | |

### 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 | V Kudermetova | 0 | 3 | | | | | | | | | | | | | | | |
| WC | E Bouchard | 6 | 6 | | WC | E Bouchard | 7$^7$ | 6$^2$ | 6 | | | | | | | | | |
| | T Zidanšek | 6 | 3 | 6 | | T Zidanšek | 6$^2$ | 7$^7$ | 2 | | | | | | | | | |
| | K Siniaková | 3 | 6 | 0 | | | | | | WC | E Bouchard | 4 | 6 | 4 | | | | |
| | C Giorgi | 4 | 6 | 7$^7$ | | | | | | 3 | E Mertens | 6 | 1 | 6 | | | | |
| Q | M Kostyuk | 6 | 2 | 6$^4$ | | C Giorgi | 4 | 2 | | | | | | | | | | |
| | J Paolini | 5 | 6 | 3 | 3 | E Mertens | 6 | 6 | | | | | | | | | | |
| 3 | E Mertens | 7 | 4 | 6 | | | | | | | | | | | 3 | E Mertens | 7 | 7$^7$ |
| 5 | E Alexandrova | 2 | 4 | | | | | | | | | | | | | Kr Plíšková | 5 | 6$^4$ |
| Q | L Tsurenko | 6 | 6 | | Q | L Tsurenko | | | | | | | | | | | | |
| | A Bogdan | 6 | 6 | | | A Bogdan | w/o | | | | | | | | | | | |
| LL | S Sanders | 1 | 1 | | | | | | | | A Bogdan | 5$^r$ | | | | | | |
| | Kr Plíšková | 6 | 7 | | | | | | | | Kr Plíšková | 2 | | | | | | |
| WC | L Fruhvirtová | 2 | 5 | | | Kr Plíšková | 6 | 7 | | | | | | | | | | |
| | V Gracheva | 6$^2$ | 3 | | 2 | P Martić | 1 | 5 | | | | | | | | | | |
| 2 | P Martić | 7$^7$ | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Aliona Bolsova (moved to main draw)
* Anna-Lena Friedsam (first round)
* Tamara Korpatsch (qualifying competition)
* Océane Dodin (first round)
* Liudmila Samsonova (first round)
* Aliaksandra Sasnovich (second round)
* Kaja Juvan (second round)
* Ysaline Bonaventure (first round)

### Qualifiers

* Mayar Sherif
* Marta Kostyuk
* Elena-Gabriela Ruse
* Lesia Tsurenko

### Lucky losers

* Storm Sanders
* Magdalena Fręch
* Leonie Küng

### Draw
#### First qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Vivian Heisen | 1 | 5 | | | | | | | | |
| | Ulrikke Eikeri | 6 | 7 | | | | | | | | |
| | Ulrikke Eikeri | 6 | 7 | Ulrikke Eikeri | 2 | 1 | | | | | |
| | | | | Mayar Sherif | 6 | 6 | | | | | |
| | Mayar Sherif | 6 | 6 | Mayar Sherif | 6 | 6 | | | | | |
| | Giulia Gatto-Monticone | 3 | 2 | | | | | | | | |
| | Giulia Gatto-Monticone | 3 | 2 | | | | | Mayar Sherif | 4 | 6 | 6 |
| | | | | | | | | Leonie Küng | 6 | 4 | 1 |
| | Laura Ioana Paar | 6 | 6 | | | | | | | | | Leonie Küng | 6 | 4 | 1 |
| WC | Linda Nosková | 2 | 0 | | | | | | | | |
| WC | Linda Nosková | 2 | 0 | Laura Ioana Paar | 7 | 3 | 1 | | | | |
| | | | | Leonie Küng | 5 | 6 | 6 | | | | |
| | Leonie Küng | 6 | 6 | Leonie Küng | 5 | 6 | 6 | | | | |
| 5 | Liudmila Samsonova | 2 | 2 | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Anna-Lena Friedsam | 2 | 4 | | | | | | | | |
| | Marta Kostyuk | 6 | 6 | | | | | | | | |
| | Marta Kostyuk | 6 | 6 | | Marta Kostyuk | 6 | 2 | 6 | | | |
| | | | | | Tereza Martincová | 1 | 6 | 2 | | | |
| WC | Nikola Bartůňková | 2 | 2 | | Tereza Martincová | 1 | 6 | 2 | | | |
| | Tereza Martincová | 6 | 6 | | | | | | | | |
| | Tereza Martincová | 6 | 6 | | | | | | Marta Kostyuk | 6 | 6 |
| | | | | | | | | | Storm Sanders | 0 | 0 |
| | Lara Arruabarrena | 4 | 6 | 4 | | | | | | | | Storm Sanders | 0 | 0 |
| | Jesika Malečková | 6 | 2 | 6 | | | | | | | |
| | Jesika Malečková | 6 | 2 | 6 | Jesika Malečková | 6$^3$ | 4 | | | | |
| | | | | | Storm Sanders | 7$^7$ | 6 | | | | |
| | Storm Sanders | 6 | 6 | | Storm Sanders | 7$^7$ | 6 | | | | |
| 8 | Ysaline Bonaventure | 3 | 3 | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Tamara Korpatsch | 6 | 7$^8$ | | | | | | | | | | |
| | Jaqueline Cristian | 1 | 6$^6$ | | | | | | | | | | |
| | Jaqueline Cristian | 1 | 6$^6$ | 3 | Tamara Korpatsch | 6 | 7$^7$ | | | | | | |
| | | | | | Nadia Podoroska | 3 | 6$^5$ | | | | | | |
| | Yanina Wickmayer | 3 | 0 | | Nadia Podoroska | 3 | 6$^5$ | | | | | | |
| | Nadia Podoroska | 6 | 6 | | | | | | | | | | |
| | Nadia Podoroska | 6 | 6 | | | | | | 3 | Tamara Korpatsch | 6$^5$ | 6 | 4 |
| | | | | | | | | | | Elena-Gabriela Ruse | 7$^7$ | 0 | 6 |
| | Indy de Vroome | 4 | 3 | | | | | | | | | | | Elena-Gabriela Ruse | 7$^7$ | 0 | 6 |
| | Elena-Gabriela Ruse | 6 | 6 | | | | | | | | | | |
| | Elena-Gabriela Ruse | 6 | 6 | | Elena-Gabriela Ruse | 6$^4$ | 6 | 7$^7$ | | | | | |
| | | | | 6 | Aliaksandra Sasnovich | 7$^7$ | 4 | 6$^3$ | | | | | |
| WC | Lucie Havlíčková | 2 | 3 | 6 | Aliaksandra Sasnovich | 7$^7$ | 4 | 6$^3$ | | | | | |
| 6 | Aliaksandra Sasnovich | 6 | 6 | | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Océane Dodin | 3 | 2 | | | | | | | | | |
| | Lesia Tsurenko | 6 | 6 | | | | | | | | | |
| | Lesia Tsurenko | 6 | 6 | | | Lesia Tsurenko | 2 | 6 | 6 | | | |
| | | | | | WC | Barbora Palicová | 6 | 4 | 1 | | | |
| | Ellen Perez | 3 | 4 | | WC | Barbora Palicová | 6 | 4 | 1 | | | |
| WC | Barbora Palicová | 6 | 6 | | | | | | | | | |
| WC | Barbora Palicová | 6 | 6 | | | | | | | Lesia Tsurenko | 7$^9$ | 7$^7$ |
| | | | | | | | | | | Magdalena Fręch | 6$^7$ | 6$^2$ |
| | Irina Bara | 6 | 3 | 1 | | | | | | | | | Magdalena Fręch | 6$^7$ | 6$^2$ |
| | Magdalena Fręch | 2 | 6 | 6 | | | | | | | | |
| | Magdalena Fręch | 2 | 6 | 6 | | Magdalena Fręch | 3 | 6 | 6 | | | |
| | | | | | 7 | Kaja Juvan | 6 | 3 | 4 | | | |
| | Anastasiya Komardina | 5 | 2 | | 7 | Kaja Juvan | 6 | 3 | 4 | | | |
| 7 | Kaja Juvan | 7 | 6 | | | | | | | | | |