Katie Boulter vs Naomi OsakaPrediction, Head-to-Head Results, and Stats
🇬🇧Katie Boulter
#54 · 29 yrs · Right-Handed
3 meetings · sets 1–6
🇯🇵Naomi Osaka
#18 · 28 yrs · Right-Handed
Katie Boulter and Naomi Osaka have met 3 times since 2018; Naomi Osaka leads 3–0. Their first meeting came at Birmingham in 2018 on grass. On grass courts Osaka leads 2–0. Osaka has won the last 3 meetings. Across all meetings Boulter has taken 1 sets to Osaka's 6. Their most recent meeting: Naomi Osaka won at Gippsland Trophy - Melbourne (2021).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Boulter | Osaka | ||
|---|---|---|---|---|
| Indicator | Katie Boulter | Naomi Osaka | ||
| Wins in straight sets | 62% | 13/21 | 67% | 22/33 |
| Wins a set when losing | 33% | 7/21 | 27% | 3/11 |
| Goes to a deciding set | 36% | 15/42 | 32% | 14/44 |
| Covers −1.5 sets as favorite | 46% | 11/24 | 55% | 18/33 |
| Covers +1.5 sets as underdog | 41% | 7/17 | 60% | 6/10 |
| Tiebreak sets won | 60% | 6/10 | 71% | 10/14 |
| Wins after taking set 1 | 79% | 19/24 | 94% | 32/34 |
| Wins 2-0 after taking set 1 | 54% | 13/24 | 65% | 22/34 |
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: 2 of 3 completed meetings ended in straight sets (Boulter 0, Osaka 2).
Style Matchup
Playing styles and historical archetype record
Boulter
💥 Big Hitter
Osaka
💥 Big Hitter
Matchup analysis
Both Katie Boulter and Naomi Osaka are 💥 Big Hitter types. Mirror matchups usually come down to execution, fitness, and surface fit, across 5,594 matches in our dataset the historical split is about even.
Previous meetings
3 career meetings, newest first
Feb 3, 2021
Gippsland Trophy - Melbourne
H Hard · 3rd Round
Jul 4, 2018
Wimbledon
G Grass · Round of 64
Jun 20, 2018
Birmingham
G Grass · Round of 32
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Boulter | Osaka | ||
|---|---|---|---|---|
| Outcome | Katie Boulter | Naomi Osaka | ||
| 1 or more | 50% | 4/8 | 92% | 12/13 |
| 3 or more | 13% | 1/8 | 77% | 10/13 |
| 5 or more | 0% | 0/8 | 69% | 9/13 |
| 10 or more | 0% | 0/8 | 31% | 4/13 |
| 15 or more | 0% | 0/8 | 0% | 0/13 |
| 20 or more | 0% | 0/8 | 0% | 0/13 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Boulter | Osaka |
|---|---|---|
| W-L | 3–5 | 9–4 |
| Avg odds | 3.03 | 1.46 |
| ROI % | -36.1% | -14.3% |
| Units P/L | -2.89u | -1.86u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Boulter | Osaka |
|---|---|---|
| Countries | 1 | 1 |
| Events | 1 | 1 |
| Matches | 2 | 3 |
| Distance | 0 mi · 0 km | 0 mi · 0 km |
| Route | ROU | ROU |
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
Osaka has a higher win rate against shared opponents (80% vs Boulter's 30%).
| Opponent | Boulter | Osaka |
|---|---|---|
| Karolina Muchova | L 67 16 | L 57 61 67 |
| Maria Timofeeva | W 62 62 | W 63 36 63 |
| Elena Rybakina | W 75 26 64 | L 16 46 |
| Anastasia Zakharova | L 36 63 46 | W 76 76 |
| Leylah Fernandez | L 76 36 36 | W 64 64 |
| Ashlyn Krueger | L 63 26 26 | W |
| Donna Vekic | L 16 36 | W 76 64 |
| Eva Lys | L 46 63 46 | W 64 46 63 |
| Maria Victoria Quinde Serrano | W | W 62 75 |
| Victoria Jimenez Kasintseva | L 62 57 26 | W 75 62 |
Recent Form
Last five matches per player
Karolina Muchova
China Open - Beijing · 2nd Round
Oct 2
Mai Hontama
China Open - Beijing · 1st Round
Sep 30
Karolina Muchova
U.S. Open - New York · 2nd Round
Sep 2
Carol Young Suh Lee
U.S. Open - New York · 1st Round
Aug 31
Linda Noskova
Cincinnati Open - Cincinnati · 2nd Round
Aug 15
Katie Volynets
Cincinnati Open - Cincinnati · 1st Round
Aug 14
Kayla Cross
National Bank Open - Toronto · 1st Round
Aug 3
Ashlyn Krueger
Mubadala DC Open - Washington · 1st Round
Jul 28
Karolina Muchova
China Open - Beijing · 4th Round
Oct 6
Sara Bejlek
China Open - Beijing · 3rd Round
Oct 4
Maria Timofeeva
China Open - Beijing · 2nd Round
Oct 2
Elena Rybakina
U.S. Open - New York · 4th Round
Sep 7
Elise Mertens
U.S. Open - New York · 3rd Round
Sep 6
Katerina Siniakova
U.S. Open - New York · 2nd Round
Sep 3
Anastasia Zakharova
U.S. Open - New York · 1st Round
Sep 1
Elena Rybakina
National Bank Open - Toronto · Quarterfinals
Aug 12
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 42–44 matches
| Metric | Boulter | Osaka |
|---|---|---|
| Matches won | 50% | 75% |
| Sets won | 49% | 68% |
| Games won | 49% | 56% |
Record by tier
Head-to-head record by tournament tier
| Stage | Boulter | Osaka |
|---|---|---|
| Grand Slam | 0 | 1 |
| WTA 500 | 0 | 2 |
By surface
Head-to-head record per surface
| Surface | Boulter | Osaka |
|---|---|---|
| Hard | 0 | 1 |
| Grass | 0 | 2 |
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