- Tournament: Australian Open
- Round: First Round
- Opponent: Iga Swiatek
- DOB: 1996-05-10
- Birthplace: Czechia
- Height: 69.0 cm
- Weight: 152.0 kg
- Plays: R
- Current World Rank: 46
- Hard: 98-130
- Clay: 62-48
- Grass: 26-24
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| Adelaide International | Jan 6, 2025 | 6-3, 0-6, 6-0 | First Round | Diana Shnaider | Katerina Siniakova |
| Guangzhou Open presented by AVATR | Oct 26, 2024 | 4-6, 6-4, 4-3 | Semi Finals | Olga Danilovic | Katerina Siniakova |
| Guangzhou Open presented by AVATR | Oct 25, 2024 | 6-4, 7-5 | Quarter Finals | Katerina Siniakova | Bernarda Pera |
| Guangzhou Open presented by AVATR | Oct 24, 2024 | 6-1, 6-4 | Second Round | Katerina Siniakova | Alycia Parks |
| Guangzhou Open presented by AVATR | Oct 22, 2024 | 6-2, 6-1 | First Round | Katerina Siniakova | Petra Martic |
| Ningbo Open | Oct 16, 2024 | 1-6, 6-3, 6-2 | Second Round | Daria Kasatkina | Katerina Siniakova |
| Ningbo Open | Oct 15, 2024 | 6-2, 6-4 | First Round | Katerina Siniakova | Magda Linette |
| Dongfeng Voyah Wuhan Open | Oct 9, 2024 | 6-4, 6-4 | Second Round | Aryna Sabalenka | Katerina Siniakova |
| Dongfeng Voyah Wuhan Open | Oct 8, 2024 | 6-3, 6-1 | First Round | Katerina Siniakova | Alexandra Eala |
| China Open | Sep 26, 2024 | 6-2, 6-2 | First Round | Yuliia Starodubtseva | Katerina Siniakova |
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| Australian Open | Jan 12, 2025 | - | First Round | ||
| Australian Open | Jan 18, 2024 | 6-3, 2-6, 6-4 | Second Round | Viktorija Golubic | Katerina Siniakova |
| Australian Open | Jan 15, 2024 | 6-2, 7-5 | First Round | Katerina Siniakova | Jaqueline Cristian |
| Australian Open | Jan 15, 2023 | 6-1, 6-4 | First Round | Coco Gauff | Katerina Siniakova |
| Australian Open | Jan 17, 2022 | 6-2, 6-3 | First Round | Anett Kontaveit | Katerina Siniakova |
| Australian Open | Feb 7, 2021 | 6-7 (5-7), 6-2, 6-4 | First Round | Fiona Ferro | Katerina Siniakova |
| Australian Open | Jan 19, 2020 | 6-1, 6-0 | First Round | Petra Kvitova | Katerina Siniakova |
| Australian Open | Jan 13, 2019 | 6-4, 2-6, 6-3 | First Round | Belinda Bencic | Katerina Siniakova |
| Australian Open | Jan 16, 2018 | 4-6, 6-2, 6-1 | Second Round | Elina Svitolina | Katerina Siniakova |
| Australian Open | Jan 14, 2018 | 6-2, 6-7 (5-7), 6-4 | First Round | Katerina Siniakova | Maria Sakkari |
