Anastasia Potapova defeated Katerina Siniakova 6-3 6-4 in the Beijing round of 128 on hard. The upset overturned the form book — Katerina Siniakova came in leading the head-to-head 2–0, defending last year's round of 64. Anastasia Potapova claimed a first win over Katerina Siniakova in three meetings, narrowing the head-to-head to 2–1.
Potapova A. took it in straight sets.
Potapova A. and Siniakova K. faced 10 of the same opponents in the last 12 months. Potapova A. went 4–6 (40%) against them, Siniakova K. 3–7 (30%). Results against comparable opponents are close (1 : 0 better-results split).
Anastasia Potapova beat Katerina Siniakova 6-3 6-4. Umpiry, "Anastasia Potapova vs Katerina Siniakova — Beijing Round of 128", https://umpiry.com/match/2025-09-25/potapova-vs-siniakova-beijing-r128?utm_source=cite (as of 25 September 2025).