Elise Mertens defeated Simona Halep in the final, 3–6, 6–4, 6–3 to win the singles tennis title at the 2019 WTA Qatar Open.

Petra Kvitová was the reigning champion, but chose not to participate.

Seeds

The top four seeds received a bye into the second round.

  1. Romania Simona Halep (final)
  2. Czech Republic Karolína Plíšková (withdrew)
  3. Germany Angelique Kerber (semifinals)
  4. Ukraine Elina Svitolina (semifinals)
  5. Netherlands Kiki Bertens (quarterfinals)
  6. Denmark Caroline Wozniacki (withdrew)
  7. Latvia Anastasija Sevastova (first round)
  8. Australia Ashleigh Barty (withdrew)
  9. Germany Julia Görges (quarterfinals)

Draw

Key

  • Q = Qualifier
  • WC = Wild card
  • LL = Lucky loser
  • Alt = Alternate
  • ITF = ITF entry
  • PR = Protected ranking
  • SR = Special ranking
  • SE = Special exempt
  • JE = Junior exempt
  • JR = Junior Accelerator Programme entrant
  • CO = College Accelerator Programme entrant
  • NG = Next Gen Accelerator Program entrant
  • w/o = Walkover
  • r = Retired
  • d = Defaulted

Finals

SemifinalsFinal
1Romania Simona Halep636
4/WCUkraine Elina Svitolina364
1Romania Simona Halep643
Belgium Elise Mertens366
3Germany Angelique Kerber461
Belgium Elise Mertens626

Top half

First roundSecond roundQuarterfinalsSemifinals
1Romania S Halep66
LLSpain L Arruabarrena30Ukraine L Tsurenko23
Ukraine L Tsurenko661Romania S Halep7778
LLUnited States A Riske669Germany J Görges6166
LLSlovenia P Hercog43LLUnited States A Riske1774
QAustralia A Tomljanović229Germany J Görges6656
9Germany J Görges661Romania S Halep636
4/WCUkraine E Svitolina364
4/WCUkraine E Svitolina66
Romania M Buzărnescu162Latvia J Ostapenko44
Latvia J Ostapenko6464/WCUkraine E Svitolina66
Belarus A Sasnovich20QCzech Republic K Muchová42
Chinese Taipei S-w Hsieh66Chinese Taipei S-w Hsieh24
QCzech Republic K Muchová66QCzech Republic K Muchová66
LLAustralia S Stosur42

Bottom half

First roundSecond roundQuarterfinalsSemifinals
7Latvia A Sevastova654
QRussia A Blinkova776QRussia A Blinkova060
Czech Republic B Strýcová66Czech Republic B Strýcová636
WCOman F Al-Nabhani11Czech Republic B Strýcová6264
Estonia A Kontaveit7763Germany A Kerber1677
QChina L Zhu633Estonia A Kontaveit163
3Germany A Kerber677
3Germany A Kerber461
5Netherlands K Bertens0796Belgium E Mertens626
Italy C Giorgi66745Netherlands K Bertens266
WCTunisia O Jabeur31Spain C Suárez Navarro611
Spain C Suárez Navarro665Netherlands K Bertens43
Belgium E Mertens66Belgium E Mertens66
Czech Republic K Siniaková42Belgium E Mertens677
LLCzech Republic Kr Plíšková263

Qualifying

Seeds

The top seed received a bye into the second round.

  1. Australia Ajla Tomljanović (qualified)
  2. United States Alison Riske (qualifying competition, lucky loser)
  3. Slovenia Tamara Zidanšek (first round)
  4. Australia Samantha Stosur (qualifying competition, lucky loser)
  5. Canada Eugenie Bouchard (first round)
  6. United States Bernarda Pera (second round)
  7. Slovenia Polona Hercog (qualifying competition, lucky loser)
  8. Czech Republic Kristýna Plíšková (second round, lucky loser)

Qualifiers

  1. Australia Ajla Tomljanović
  2. China Zhu Lin
  3. Czech Republic Karolína Muchová
  4. Russia Anna Blinkova

Lucky losers

  1. United States Alison Riske
  2. Slovenia Polona Hercog
  3. Australia Samantha Stosur
  4. Spain Lara Arruabarrena
  5. Czech Republic Kristýna Plíšková

Draw

First qualifier

First roundSecond roundQualifying competition
1Australia Ajla Tomljanović7666
Romania Sorana Cîrstea603Japan Shuko Aoyama5784
Japan Shuko Aoyama4661Australia Ajla Tomljanović66
United States Abigail Spears247Slovenia Polona Hercog34
Uzbekistan Sabina Sharipova66Uzbekistan Sabina Sharipova55
WCUnited States Julia Elbaba137Slovenia Polona Hercog77
7Slovenia Polona Hercog66

Second qualifier

First roundSecond roundQualifying competition
2United States Alison Riske66
Russia Anna Kalinskaya22
2United States Alison Riske66
United States Jennifer Brady24
United States Jennifer Brady66
Ukraine Anhelina Kalinina12
2United States Alison Riske21
China Zhu Lin66
Romania Alexandra Dulgheru614
China Zhu Lin466
China Zhu Lin66
United States Madison Brengle13
United States Madison Brengle566
5Canada Eugenie Bouchard734

Third qualifier

First roundSecond roundQualifying competition
3Slovenia Tamara Zidanšek363
Russia Liudmila Samsonova646
Russia Liudmila Samsonova66
Spain Lara Arruabarrena24
WCColombia Mariana Ramírez Nieto11
Spain Lara Arruabarrena66
Russia Liudmila Samsonova161
Czech Republic Karolína Muchová636
WCQatar Mubaraka Al-Naimi00
Czech Republic Karolína Muchová66
Czech Republic Karolína Muchová646
8Czech Republic Kristýna Plíšková364
Chinese Taipei Chan Hao-ching32
8Czech Republic Kristýna Plíšková66

Fourth qualifier

First roundSecond roundQualifying competition
4Australia Samantha Stosur66
China Xu Shilin22
4Australia Samantha Stosur66
Croatia Tereza Mrdeža34
United States Varvara Lepchenko7743
Croatia Tereza Mrdeža6566
4Australia Samantha Stosur6164
Russia Anna Blinkova7736
WCUnited Kingdom Emily Webley-Smith21
Russia Anna Blinkova66
Russia Anna Blinkova76
6United States Bernarda Pera52
Russia Veronika Kudermetova165
6United States Bernarda Pera627