Katie Volynets vs Zeynep Sonmez Head-to-Head Stats
Katie Volynets leads the head-to-head 0–1 against Zeynep Sonmez since 2025 across 1 meetings. Upcoming context: WTA Hertogenbosch - 1/16-finals, WTA Hertogenbosch - 1/16-finals, grass court, 2026-06-09. Match odds (Pinnacle): Katie Volynets 1.67, Zeynep Sonmez 2.34.
Head-to-Head metrics (per match average, last 10)
- 1st Serve In: Volynets 74.4%, Sonmez 63.6%
- Aces / match: Volynets 1.5, Sonmez 0.4
- BP Saved: Volynets 39.1%, Sonmez 7.2%
- BP Converted: Volynets 30.1%, Sonmez 8%
- Return Pts Won: Volynets 51.4%, Sonmez 47.6%
- Service Pts Won: Volynets 56.1%, Sonmez 56.4%
- Winners / match: Volynets 18.5, Sonmez 15
- Unforced Errors / match: Volynets 21, Sonmez 45
Performance profile (last 10 matches average)
- 1st serve in: Volynets 74.4%, Sonmez 63.6%
- aces per match: Volynets 1.5, Sonmez 0.4
- break points saved: Volynets 39.1%, Sonmez 7.2%
- break points converted: Volynets 30.1%, Sonmez 8%
- return points won: Volynets 51.4%, Sonmez 47.6%
- service points won: Volynets 56.1%, Sonmez 56.4%
Match control
- Dominance Score: Volynets +7.8, Sonmez +4
- Break Point Efficiency: Volynets -30.8, Sonmez -84.8
Rivalry momentum
- After 2025-08-26: Volynets 0 wins, Sonmez 1 wins in the rivalry.
Surface breakdown
- hard court H2H: Volynets 0, Sonmez 1
Recent form
- Katie Volynets recent form (last 5 singles, 2025+): 3 wins, 2 losses — W, W, L, W, L
- Zeynep Sonmez recent form (last 5 singles, 2025+): 2 wins, 3 losses — L, L, W, L, W
Key rivalry stats
- Tiebreak sets won: Volynets 1, Sonmez 1.
- Deciding-set wins: Volynets 1, Sonmez 2.
Match history since 2025
| Date | Tournament | Round | Surface | Score | Winner |
|---|---|---|---|---|---|
| 2025-08-26 | US Open | US Open - 1/64-finals | hard | 3-6 4-6 | Zeynep Sonmez |
- 2025-08-26 — US Open (US Open - 1/64-finals), hard: 3-6 4-6. Winner: Zeynep Sonmez.

KatieVolynets
H2H since 2025 · 1 meetings

ZeynepSonmez
Head-to-Head Metrics
Per match averages · last 10 · since 2025
Performance Profile
Last 10 matches avg · since 2025
Match Control
Pressure & control · last 10 matches · since 2025
Dominance Score
Break Point Efficiency
Form Momentum
Cumulative singles wins · last 10 · since 2025
Surface Form
W–L on each court · last 10 singles · since 2025
Surface Breakdown
H2H wins by court · since 2025
Volynets vs Sonmez Preview
Match Overview
This match features Katie Volynets against Zeynep Sonmez at the WTA Hertogenbosch on June 9, 2026. Volynets, ranked 101, will face Sonmez, ranked 67, in the 1/16-finals on grass. Both players are right-handed.
Head-to-Head History
Zeynep Sonmez leads the head-to-head record against Katie Volynets with one win and zero losses in the dataset. Their only prior meeting in the dataset occurred at the US Open on August 26, 2025, where Sonmez defeated Volynets on hard court with a score of 3-6 4-6.
Surface Analysis
Neither Volynets nor Sonmez have recorded any wins on grass in the 2025+ data window. Sonmez has one win on hard court, while Volynets has no wins on hard, clay, or indoor surfaces in the dataset. This match will be their first recorded meeting on grass.
Current Form
Katie Volynets enters this match with a recent form of 3 wins and 2 losses, including a current two-match winning streak. Zeynep Sonmez has a recent form of 2 wins and 3 losses, and is currently on a two-match losing streak. Volynets has a 60% win rate in her last five matches, compared to Sonmez's 40%.
Key Factors
- Volynets has a higher first serve percentage at 74.4% compared to Sonmez's 63.6%, and averages more aces per match (1.5 vs 0.4).
- Sonmez has a slightly higher service points won percentage at 56.4% compared to Volynets' 56.1%.
- Volynets has a significantly higher break points saved percentage (39.1%) and break points converted percentage (30.1%) than Sonmez (7.2% and 8% respectively).