Katie Boulter

Rank: 60Elo: 1658Age: 29

1 - 1

Head-to-Head

Marta Kostyuk

Rank: 15Elo: 2007Age: 23

Match Prediction

Katie

Boulter

Overall: 1658

Hard: 1625

Marta

Kostyuk

Overall: 2007

Hard: 2020

String Tension Elo Prediction:

11.0%

89.0%

Implied Odds:

Kostyuk: -807

ELO Comparison

Match History (2 Matches)

Showing 1 to 2 of 2 matches

Date	Tourn.Tournament	Winner	Score
Aug 25, 2025	U.S. Open\| 1st Round Hard	Marta Kostyuk	66 44
Feb 26, 2024	San Diego\| Final Hard	Katie Boulter	566 722

Recent Matches

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Detailed Stats Comparison

2026 Season Stats

Katie Boulter

Marta Kostyuk

Katie Boulter

Season Comparison

Marta Kostyuk

14-8

17-4

64%

81%

Serve Statistics

2.3

Aces/Match

3.2

4.0

Double Faults/Match

3.9

58%

1st Serve %

59%

68%

1st Serve Won %

70%

46%

2nd Serve Won %

49%

Return Statistics

47%

Return Points Won %

50%

4.3/8.7 (49%)

Break Point Offense

4.8/9.9 (48%)

4.4/7.6 (58%)

Break Point Defense

4.0/6.5 (62%)

Note: Season stats are from the 2026 season.