[44] Katerina Siniakova 4-6,0-6 Simona Halep [3] 2019-02-09 13:40
Stadium: Ostravar Arena Round: 27
Head to Head
| WTA Shenzhen | 2018/01/06 10:00 | Simona Halep v Katerina Siniakova | 6-1,2-6,6-0 |
| WTA Shenzhen | 2017/01/04 05:05 | Katerina Siniakova v Simona Halep | 6-3,4-6,7-5 |
Home History
| WTA St. Petersburg | 2019/01/29 13:50 | Ysaline Bonaventure v Katerina Siniakova | 6-4,7-6 |
| Australian Open Women | 2019/01/14 06:00 | Belinda Bencic v Katerina Siniakova | 6-4,2-6,6-3 |
| WTA Sydney | 2019/01/08 07:50 | Katerina Siniakova v Elise Mertens | 6-7,6-2,2-6 |
| WTA Sydney | 2019/01/06 03:00 | Katerina Siniakova v Bernarda Pera | 6-3,6-4 |
| WTA Sydney | 2019/01/05 02:00 | Katerina Siniakova v Eri Hozumi | 6-2,6-3 |
| WTA Brisbane | 2019/01/01 01:00 | Katerina Siniakova v Ajla Tomljanovic | 6-1,3-6,0-6 |
| Czech Republic Extraliga Women | 2018/12/16 09:00 | Katerina Siniakova v Rebecca Sramkova | 7-5,6-2 |
| Czech Republic Extraliga Women | 2018/12/15 09:00 | Katerina Siniakova v Marketa Vondrousova | 2-6,6-7 |
Away History
| Australian Open Women | 2019/01/21 08:00 | Simona Halep v Serena Williams | 1-6,6-4,4-6 |
| Australian Open Women | 2019/01/19 08:00 | Simona Halep v Venus Williams | 6-2,6-3 |
| Australian Open Women | 2019/01/17 06:35 | Simona Halep v Sofia Kenin | 6-3,6-7,6-4 |
| Australian Open Women | 2019/01/15 08:55 | Simona Halep v Kaia Kanepi | 6-7,6-4,6-2 |
| WTA Sydney | 2019/01/09 03:35 | Simona Halep v Ashleigh Barty | 4-6,4-6 |
| WTA Wuhan | 2018/09/25 14:50 | Simona Halep v Dominika Cibulkova | 0-6,5-7 |
| US Open Women | 2018/08/27 15:00 | Simona Halep v Kaia Kanepi | 2-6,4-6 |
| WTA Cincinnati | 2018/08/19 18:00 | Simona Halep v Kiki Bertens | 6-2,6-7,2-6 |