Katie Boulter

Rank: 58Elo: 1657Age: 30

1 - 0

Head-to-Head

Katerina Siniakova

Rank: 86Elo: 1710Age: 30

Upcoming match

Sat, Oct 24, 2026 · 4:30 AM UTC

Japan Open - Osaka

Semi-Finals

250HardCourt Pace 42.7Fast

Key Stat: Boulter 7–3 breaks

Madrid · Apr 25

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Match Prediction

Katie

Boulter

Overall: 1657

Hard: 1607

Katerina

Siniakova

Overall: 1710

Hard: 1593

String Tension Elo Prediction:

Siniakova 53.2%

-113

Match History (1 Match)

Showing 1 to 1 of 1 matches

Mutua Madrid OpenApr 21, 2025

1st Round · Clay

K. Boulter

466

K. Siniakova

621

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Detailed Stats Comparison

2026 Season Stats

Katie Boulter

Katerina Siniakova

Katie Boulter

Season

Katerina Siniakova

22–18

55% win

18–18

50% win

Serve

2.0

Aces/Match

1.9

5.7

Double Faults/Match

4.6

59%

1st Serve %

61%

67%

1st Serve Won %

64%

43%

2nd Serve Won %

47%

Return

43%

Return Points Won %

44%

3.8/8.4 (46%)

Break Point Offense

3.7/8.6 (43%)

4.5/8.1 (55%)

Break Point Defense

5.4/8.9 (60%)

Season stats are from 2026.