Marta Kostyuk

Rank: 12Elo: 2052Age: 23

1 - 1

Head-to-Head

Katie Boulter

Rank: 56Elo: 1703Age: 29

Match Prediction

Marta

Kostyuk

Overall: 2052

Hard: 2020

Katie

Boulter

Overall: 1703

Hard: 1625

String Tension Elo Prediction:

89.0%

11.0%

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

Marta Kostyuk

Katie Boulter

Marta Kostyuk

Season Comparison

Katie Boulter

22-5

18-10

81%

64%

Serve Statistics

3.4

Aces/Match

2.1

4.1

Double Faults/Match

4.9

59%

1st Serve %

59%

69%

1st Serve Won %

69%

48%

2nd Serve Won %

44%

Return Statistics

49%

Return Points Won %

45%

4.8/10.1 (47%)

Break Point Offense

4.1/8.5 (49%)

4.2/6.8 (61%)

Break Point Defense

4.5/7.9 (58%)

Note: Season stats are from the 2026 season.