Katie Boulter vs Naomi OsakaPrediction, Head-to-Head Results, and Stats
🇬🇧Katie Boulter
#60 · 29 yrs · Right-Handed
3 meetings · sets 1–6
🇯🇵Naomi Osaka
#13 · 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 | 60% | 12/20 | 69% | 22/32 |
| Wins a set when losing | 35% | 7/20 | 33% | 4/12 |
| Goes to a deciding set | 38% | 15/40 | 32% | 14/44 |
| Covers −1.5 sets as favorite | 45% | 10/22 | 52% | 17/33 |
| Covers +1.5 sets as underdog | 47% | 8/17 | 67% | 6/9 |
| Tiebreak sets won | 67% | 6/9 | 64% | 9/14 |
| Wins after taking set 1 | 78% | 18/23 | 88% | 30/34 |
| Wins 2-0 after taking set 1 | 52% | 12/23 | 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
🤖 Servebot
Osaka
💥 Big Hitter
Matchup analysis
🤖 Servebot vs 💥 Big Hitter is historically tight (52% vs 48%, 3,090 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
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 | 80% | 8/10 | 100% | 16/16 |
| 3 or more | 30% | 3/10 | 88% | 14/16 |
| 5 or more | 10% | 1/10 | 81% | 13/16 |
| 10 or more | 0% | 0/10 | 6% | 1/16 |
| 15 or more | 0% | 0/10 | 0% | 0/16 |
| 20 or more | 0% | 0/10 | 0% | 0/16 |
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 | 4–5 | 12–4 |
| Avg odds | 2.26 | 1.66 |
| ROI % | +3.4% | +7.9% |
| Units P/L | +0.31u | +1.27u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Boulter | Osaka |
|---|---|---|
| Countries | 2 | 2 |
| Events | 2 | 2 |
| Matches | 3 | 6 |
| Distance | 411 mi · 662 km | 350 mi · 563 km |
| Route | CAN → 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 (50% vs Boulter's 13%).
| Opponent | Boulter | Osaka |
|---|---|---|
| Linda Noskova | L 36 36 | L 67 36 |
| Elena Rybakina | W 75 26 64 | L 64 67 46 |
| Leylah Fernandez | L 76 36 36 | W 64 64 |
| Karolina Muchova | L 36 57 | L 67 46 |
| Donna Vekic | L 16 36 | W 76 64 |
| Eva Lys | L 46 63 46 | W 64 46 63 |
| Sorana Cirstea | L 36 16 | W 63 46 62 |
| Amanda Anisimova | L 16 36 | L 76 67 36 |
Recent Form
Last five matches per player
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
Tyra Caterina Grant
Wimbledon - London · 1st Round
Jun 30
Leylah Fernandez
Bad Homburg Open - Bad Homburg · 1st Round
Jun 21
Donna Vekic
The HSBC Championships - London · Semifinals
Jun 13
Elena Rybakina
The HSBC Championships - London · Quarterfinals
Jun 12
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 · 40–44 matches
| Metric | Boulter | Osaka |
|---|---|---|
| Matches won | 50% | 73% |
| Sets won | 49% | 67% |
| Games won | 50% | 57% |
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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