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KB Katie Boulter
GB WTA · Rank #49

Katie Boulter

30yrs 1.82 m Right #23Peak Rank
82.9%Accuracy
41
Matches Analyzed
Recent Form
LWLWW
Recent & Upcoming Tap a match for full analysis
WTA Osaka Japan Hard WTA Osaka Japan (Hard) 4
K. Boulter vs K. Siniakova, WTA - Osaka, Japan, 08:40, Finished. Match winner odds: 2.43 for K. Boulter, 1.6 for K. Siniakova. AI winner pick: K. Siniakova, odds 1.6, confidence 1.1 out of 10. This tip won. Predicted score: 4-6, 3-6. Best AI tip: O17.5, odds 1.27, confidence 1.3 out of 10. This tip lost.
08:40 Finished 0840
GB K. Boulter (8)
CZ K. Siniakova
0 2
▾2.43 ▴1.6
2 ▴1.6
4636
O17.5 ▴1.27
1.3/10
K. Boulter vs A. Ružić, WTA - Osaka, Japan, 08:40, Finished. Match winner odds: 1.55 for K. Boulter, 2.65 for A. Ružić. AI winner pick: K. Boulter, odds 1.55, confidence 6.6 out of 10. This tip won. Predicted score: 3-6, 6-2, 6-3. Best AI tip: K. Boulter, odds 1.55, confidence 6.6 out of 10. This tip won.
08:40 Finished 0840
GB K. Boulter (8)
HR A. Ružić
2 1
▾1.55 ▴2.65
1 ▾1.55
366263
1 ▾1.55
6.6/10
K. Boulter vs V. Golubić, WTA - Osaka, Japan, 07:05, Finished. Match winner odds: 1.9 for K. Boulter, 1.92 for V. Golubić. AI winner pick: K. Boulter, odds 1.9, confidence 3.4 out of 10. This tip won. Predicted score: 2-6, 6-3, 6-4. Best AI tip: U28.5, odds 1.26, confidence 4.2 out of 10. This tip won.
07:05 Finished 0705
GB K. Boulter (8)
CH V. Golubić
2 0
▾1.9 ▴1.92
1 ▾1.9
266364
U28.5 1.26
4.2/10
K. Boulter vs H. Sakatsume, WTA - Osaka, Japan, 08:10, Finished. Match winner odds: 1.54 for K. Boulter, 2.55 for H. Sakatsume. AI winner pick: K. Boulter, odds 1.54, confidence 1.1 out of 10. This tip won. Predicted score: 6-4, 3-6, 6-1. Best AI tip: U27.5, odds 1.26, confidence 3.6 out of 10. This tip won.
08:10 Finished 0810
GB K. Boulter
JP H. Sakatsume
2 0
1.54 2.55
1 1.54
643661
U27.5 1.26
3.6/10
Record by surface
Hard
16-13
Clay
4-5
Grass
2-1
Overall 22-19
Our AI on this player 34 correct of 41

From the matches in our database

About Katie Boulter

Katie Boulter is a 30-year-old right-handed professional tennis player, currently ranked world No. 49. That is below a career-high of world No. 23. The serve is the vulnerable side, at 5.4 double faults per match and 62.5% of first-serve points won. Getting a foothold on the opponent serve is the struggle, at 42.4% of points won there. The record is spread evenly across surfaces — Hard 16-13, Clay 4-5, Grass 2-1.

Results keep swinging: 3 up and 2 down across the last 5. The longest match we have on record ran to 34 games, against L. Fernandez. More of the matches we cover came at WTA Osaka Japan than anywhere else — 4 of them. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at WTA Hong Kong Hong Kong.

Serve & Return
First Serve %
66.8%
1st Serve Won
60.5%
2nd Serve Won
46.7%
Aces / Match
1.8
Double Faults / Match
4.4
Break Pts Saved
64.1%
Break Pts Converted
39.8%
Return Pts Won
44.5%
Service Hold %
56.1%
Total Pts Won
50.6%
Records Last 12 months
1
Titles
1
Finals
3
Semis or better
22
Events played
Season by season

2026so far

20–21
Won-lost
41
Matches
5–6
Tiebreaks
2.4
Aces / Match
6
Double Faults / Match
First Serve % 62.3%
1st Serve Won 63.6%
2nd Serve Won 42.8%
Break points won 46%
Break Pts Saved 54%

2025

21–20
Won-lost
41
Matches
4–4
Tiebreaks
3
Aces / Match
5.7
Double Faults / Match
First Serve % 62.1%
1st Serve Won 63.7%
2nd Serve Won 43.1%
Break points won 49.2%
Break Pts Saved 51.7%

2024

36–21
Won-lost
57
Matches
6–7
Tiebreaks
3.5
Aces / Match
5.1
Double Faults / Match
First Serve % 61%
1st Serve Won 69.1%
2nd Serve Won 46.6%
Break points won 44.1%
Break Pts Saved 58.9%

2023

15–13
Won-lost
28
Matches
5–7
Tiebreaks
3.5
Aces / Match
5
Double Faults / Match
First Serve % 60.2%
1st Serve Won 67.3%
2nd Serve Won 45.3%
Break points won 44.9%
Break Pts Saved 61.5%

Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.

Frequently asked questions

How accurate are the AI predictions for Katie Boulter?

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Our model has graded 41 matches involving Katie Boulter and got 34 right — a hit rate of 82.9%. The 20 most recent are listed below, each with the pick we made and how it finished.

Who has Katie Boulter played most often?

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Of the matches we cover, Katie Boulter has met Viktorija Golubic most often — 3 times, with a 3-0 record.