Danielle Collins defeated Katerina Siniakova 6-3 6-2 in the BJK Cup Finals round robin on hard. The upset overturned the form book — Katerina Siniakova came in ranked #34. Danielle Collins extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-05-20 | Strasbourg | R16 | clay | Danielle Collins | 6-1 6-2 |
| 2024-02-12 | Doha | R16 | hard | Danielle Collins | 6-4 6-3 |
| 2019-08-05 | Toronto | R64 | hard | Katerina Siniakova | 4-6 7-6(3) 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About
Averages over each player's completed matches in the selected window (126 vs 176). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Siniakova K.: 13 days rest · 1 match (14d). Higher means fresher. About