Katie Volynets vs Zeynep SonmezPrediction, Head-to-Head Results, and Stats
🇺🇸Katie Volynets
#88 · 24 yrs · Right-Handed
2 meetings · sets 1–4
🇹🇷Zeynep Sonmez
#59 · 24 yrs · Right-Handed
Katie Volynets and Zeynep Sonmez have met 2 times since 2025; Zeynep Sonmez leads 2–0. Their first meeting came at U.S. Open - New York in 2025 on hard. Sonmez has won the last 2 meetings. Across all meetings Volynets has taken 1 sets to Sonmez's 4. Their most recent meeting: Zeynep Sonmez won at Libema Open - 's-Hertogenbosch (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Volynets | Sonmez | ||
|---|---|---|---|---|
| Indicator | Katie Volynets | Zeynep Sonmez | ||
| Wins in straight sets | 67% | 29/43 | 57% | 20/35 |
| Wins a set when losing | 48% | 12/25 | 30% | 8/27 |
| Goes to a deciding set | 38% | 26/68 | 37% | 23/62 |
| Covers −1.5 sets as favorite | 50% | 23/46 | 43% | 16/37 |
| Covers +1.5 sets as underdog | 50% | 10/20 | 50% | 12/24 |
| Tiebreak sets won | 67% | 8/12 | 62% | 8/13 |
| Wins after taking set 1 | 89% | 33/37 | 82% | 27/33 |
| Wins 2-0 after taking set 1 | 78% | 29/37 | 61% | 20/33 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 2 completed meetings ended in straight sets (Volynets 0, Sonmez 1).
Style Matchup
Playing styles and historical archetype record
Volynets
🪃 Counterpuncher
Sonmez
🎾 All-Court
Matchup analysis
🪃 Counterpuncher vs 🎾 All-Court is historically tight (51% vs 49%, 1,557 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
2 career meetings, newest first
Jun 9, 2026
Libema Open - 's-Hertogenbosch
G Grass · 1st Round
Aug 25, 2025
U.S. Open - New York
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Volynets | Sonmez | ||
|---|---|---|---|---|
| Outcome | Katie Volynets | Zeynep Sonmez | ||
| 1 or more | 53% | 9/17 | 75% | 9/12 |
| 3 or more | 12% | 2/17 | 17% | 2/12 |
| 5 or more | 6% | 1/17 | 8% | 1/12 |
| 10 or more | 0% | 0/17 | 0% | 0/12 |
| 15 or more | 0% | 0/17 | 0% | 0/12 |
| 20 or more | 0% | 0/17 | 0% | 0/12 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Volynets | Sonmez |
|---|---|---|
| W-L | 11–5 | 6–6 |
| Avg odds | 1.63 | 2.95 |
| ROI % | +0.6% | -22.1% |
| Units P/L | +0.10u | -2.65u |
Travel
Last 30 days
| Metric | Volynets | Sonmez |
|---|---|---|
| Countries | 3 | 3 |
| Events | 3 | 3 |
| Matches | 7 | 5 |
| Distance | 1,246 mi · 2,005 km | 8,184 mi · 13,171 km |
| Route | POR → ROU → CZE | UKR → ROU → CZE |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Across 10 shared opponents, both Volynets and Sonmez posted a 60% win rate.
| Opponent | Volynets | Sonmez |
|---|---|---|
| Elvina Kalieva | W 63 60 | L 63 57 57 |
| Iva Jovic | L 26 36 | L 67 46 |
| Iryna Shymanovich | W 64 62 | W 61 61 |
| Viktorija Golubic | W 75 26 76 | L 57 64 46 |
| Ann Li | L 64 57 26 | W 75 16 64 |
| Jelena Ostapenko | L 46 67 | L 36 06 |
| Laura Samson | W 76 61 | W 62 62 |
| Mccartney Kessler | W 63 63 | W 76 60 |
| Eva Lys | W 57 62 60 | W 62 46 60 |
| Anna Bondar | L 16 62 16 | W 62 64 |
Recent Form
Last five matches per player
Maria Victoria Quinde Serrano
Wuhan Open - Wuhan · 3rd Round Qualifying
Oct 11
Polina Kudermetova
Wuhan Open - Wuhan · 1st Round Qualifying
Oct 10
Elise Mertens
China Open - Beijing · 2nd Round
Oct 3
Robin Montgomery
China Open - Beijing · 1st Round
Oct 1
Kimberly Birrell
Korea Open - Seoul · Quarterfinals
Sep 26
Kamilla Rakhimova
Korea Open - Seoul · 2nd Round
Sep 23
Elvina Kalieva
Korea Open - Seoul · 1st Round
Sep 21
Linda Noskova
U.S. Open - New York · 1st Round
Sep 1
Sinja Kraus
Wuhan Open - Wuhan · 3rd Round Qualifying
Oct 11
Anastasia Zakharova
Wuhan Open - Wuhan · 1st Round Qualifying
Oct 10
Maddison Inglis
China Open - Beijing · 1st Round
Sep 30
Iva Jovic
Guadalajara Open Akron - Guadalajara · 2nd Round
Sep 16
Iryna Shymanovich
Guadalajara Open Akron - Guadalajara · 1st Round
Sep 14
Coco Gauff
U.S. Open - New York · 1st Round
Sep 2
Amanda Anisimova
Cincinnati Open - Cincinnati · 2nd Round
Aug 15
Daria Kasatkina
Cincinnati Open - Cincinnati · 1st Round
Aug 13
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 62–68 matches
| Metric | Volynets | Sonmez |
|---|---|---|
| Matches won | 63% | 56% |
| Sets won | 60% | 53% |
| Games won | 55% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Volynets | Sonmez |
|---|---|---|
| Grand Slam | 0 | 1 |
| WTA 250 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Volynets | Sonmez |
|---|---|---|
| Hard | 0 | 1 |
| Grass | 0 | 1 |
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