Petra Marcinko defeated Oleksandra Oliynykova 6-1 1-6 6-0 in the W75 Zagreb round of 16 on clay. The upset overturned the form book — Oleksandra Oliynykova came in ranked #46. Petra Marcinko extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-05-05 | Rome | R128 | clay | Oleksandra Oliynykova | 6-1 6-3 |
| 2025-05-14 | W75 Zagreb 1 | R16 | clay | Petra Marcinko | 6-1 1-6 6-0 |
Averages over each player's completed matches in the selected window (150 vs 148). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Marcinko P.: 10 days rest · 1 match (14d) · Oliynykova O.: 7 days rest · 1 match, 13 games (7d). Higher means fresher. 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 clay field, opponent-adjusted over 52 weeks). About