Celine Naef vs Marta Kostyuk — BJK Cup Qualifiers Round Robin
Naef C.
Celine Naef defeated Marta Kostyuk 6-4 7-6 in the BJK Cup Qualifiers round robin. The upset overturned the form book — Marta Kostyuk came in ranked #11.
Key context
- Match story: Celine Naef edged Marta Kostyuk in two tight sets (6–4 7–6).
Head to head
No previous meetings on record.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Statistics
This seasonAverages over each player's completed matches in the selected window (69 vs 63). ATP, WTA & Challenger.
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Freshness
Recent loadNaef C.: 21 days rest · Kostyuk M.: 5 days rest · 2 matches, 37 games (7d). Higher means fresher. About