Katerina Siniakova vs Naomi OsakaPrediction, Head-to-Head Results, and Stats
🇨🇿Katerina Siniakova
#39 · 30 yrs · Right-Handed
3 meetings · sets 2–4
🇯🇵Naomi Osaka
#13 · 28 yrs · Right-Handed
Katerina Siniakova and Naomi Osaka have met 3 times since 2018; Naomi Osaka leads 2–1. Their first meeting came at Doha in 2018 on hard. Across all meetings Siniakova has taken 2 sets to Osaka's 4. Their most recent meeting: Naomi Osaka won at Wimbledon - London (2025).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Siniakova | Osaka | ||
|---|---|---|---|---|
| Indicator | Katerina Siniakova | Naomi Osaka | ||
| Wins in straight sets | 80% | 16/20 | 71% | 22/31 |
| Wins a set when losing | 42% | 8/19 | 33% | 4/12 |
| Goes to a deciding set | 31% | 12/39 | 30% | 13/43 |
| Covers −1.5 sets as favorite | 50% | 12/24 | 53% | 17/32 |
| Covers +1.5 sets as underdog | 71% | 10/14 | 67% | 6/9 |
| Tiebreak sets won | 44% | 4/9 | 64% | 9/14 |
| Wins after taking set 1 | 84% | 16/19 | 88% | 29/33 |
| Wins 2-0 after taking set 1 | 84% | 16/19 | 67% | 22/33 |
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: 3 of 3 completed meetings ended in straight sets (Siniakova 1, Osaka 2).
Style Matchup
Playing styles and historical archetype record
Siniakova
🏹 Frontrunner
Osaka
💥 Big Hitter
Matchup analysis
🏹 Frontrunner vs 💥 Big Hitter is historically tight (48% vs 52%, 1,181 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
3 career meetings, newest first
Jul 2, 2025
Wimbledon - London
G Grass · 2nd Round
May 29, 2019
Roland Garros
C Clay · Round of 32
Feb 14, 2018
Doha
H Hard · Round of 64
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Siniakova | Osaka | ||
|---|---|---|---|---|
| Outcome | Katerina Siniakova | Naomi Osaka | ||
| 1 or more | 86% | 6/7 | 100% | 15/15 |
| 3 or more | 57% | 4/7 | 93% | 14/15 |
| 5 or more | 14% | 1/7 | 87% | 13/15 |
| 10 or more | 0% | 0/7 | 7% | 1/15 |
| 15 or more | 0% | 0/7 | 0% | 0/15 |
| 20 or more | 0% | 0/7 | 0% | 0/15 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Siniakova | Osaka |
|---|---|---|
| W-L | 4–4 | 12–3 |
| Avg odds | 1.98 | 1.50 |
| ROI % | -20.9% | +15.1% |
| Units P/L | -1.67u | +2.27u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Siniakova | Osaka |
|---|---|---|
| Countries | 1 | 2 |
| Events | 1 | 2 |
| Matches | 2 | 5 |
| Distance | 0 mi · 0 km | 350 mi · 563 km |
| Route | POL | AUT → CAN |
Host country from the tournament each match was played in, over the last 30 days. 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
Osaka has a higher win rate against shared opponents (90% vs Siniakova's 50%).
| Opponent | Siniakova | Osaka |
|---|---|---|
| Leylah Fernandez | W 57 64 76 | W 64 64 |
| Panna Udvardy | W 61 62 | W 62 64 |
| Daria Kasatkina | W 76 62 | W 61 63 |
| Ekaterina Alexandrova | L 46 26 | W 62 62 |
| Iva Jovic | W 75 63 | W 76 67 64 |
| Diana Shnaider | L 16 62 57 | W 61 62 |
| Camila Osorio | L 16 46 | W 62 75 |
| Maria Victoria Quinde Serrano | L 16 46 | W 62 75 |
| Amanda Anisimova | L 16 46 | L 76 67 36 |
| Suzan Lamens | W 61 75 | W 76 36 62 |
Recent Form
Last five matches per player
Madison Keys
Cincinnati Open - Cincinnati · 3rd Round
Aug 18
Jessica Bouzas Maneiro
Cincinnati Open - Cincinnati · 2nd Round
Aug 16
Nikola Bartunkova
Wimbledon - London · 2nd Round
Jul 1
Qinwen Zheng
Wimbledon - London · 1st Round
Jun 29
Liudmila Samsonova
Bad Homburg Open - Bad Homburg · 1st Round
Jun 21
Jessica Pegula
Berlin Tennis Open - Berlin · 2nd Round
Jun 17
Rebeka Masarova
Berlin Tennis Open - Berlin · 1st Round
Jun 16
Yue Yuan
Berlin
Jun 15
Elena Rybakina
National Bank Open - Toronto · Quarterfinals
Aug 12
Leylah Fernandez
National Bank Open - Toronto · 4th Round
Aug 10
Elise Mertens
National Bank Open - Toronto · 3rd Round
Aug 8
Panna Udvardy
National Bank Open - Toronto · 2nd Round
Aug 6
Alexandra Eala
Mubadala DC Open - Washington · Semifinals
Aug 1
Elisabetta Cocciaretto
Mubadala DC Open - Washington · Quarterfinals
Jul 31
Karolina Muchova
Wimbledon - London · Quarterfinals
Jul 7
Aryna Sabalenka
Wimbledon - London · 4th Round
Jul 5
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 39–43 matches
| Metric | Siniakova | Osaka |
|---|---|---|
| Matches won | 51% | 72% |
| Sets won | 53% | 67% |
| Games won | 52% | 56% |
Record by tier
Head-to-head record by tournament tier
| Stage | Siniakova | Osaka |
|---|---|---|
| Grand Slam | 1 | 1 |
| WTA 500 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Siniakova | Osaka |
|---|---|---|
| Hard | 0 | 1 |
| Clay | 1 | 0 |
| Grass | 0 | 1 |
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