Marta Kostyuk

Rank: 15Elo: 1973Age: 23

1 - 1

Head-to-Head

Katie Boulter

Rank: 60Elo: 1681Age: 29

Match Prediction

Marta

Kostyuk

Overall: 1973

Hard: 2020

Katie

Boulter

Overall: 1681

Hard: 1625

String Tension Elo Prediction:

86.5%

13.5%

Implied Odds:

Kostyuk: -642

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

Marta Kostyuk

Katie Boulter

Marta Kostyuk

Season Comparison

Katie Boulter

17-4

14-7

81%

67%

Serve Statistics

3.2

Aces/Match

2.2

3.9

Double Faults/Match

4.1

59%

1st Serve %

58%

70%

1st Serve Won %

68%

49%

2nd Serve Won %

47%

Return Statistics

50%

Return Points Won %

47%

4.8/9.9 (48%)

Break Point Offense

4.1/8.4 (49%)

4.0/6.5 (62%)

Break Point Defense

4.2/7.2 (59%)

Note: Season stats are from the 2026 season.