Viktorija Golubic defeated Katerina Siniakova 6-3 2-6 6-4 in the Australian Open round of 64 on hard. The upset overturned the form book — Katerina Siniakova came in ranked #35, defending last year's round of 128. Viktorija Golubic extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-01-15 | Australian Open | R64 | hard | Viktorija Golubic | 6-3 2-6 6-4 |
| 2019-09-16 | Guangzhou | R16 | hard | Viktorija Golubic | 4-6 7-5 6-0 |
| 2017-10-09 | Linz | R32 | hard | Viktorija Golubic | 6-7 6-2 6-3 |
Averages over each player's completed matches in the selected window (122 vs 132). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
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