Katie Boulter

Rank: 60Elo: 1634Age: 29

1 - 1

Head-to-Head

Marta Kostyuk

Rank: 13Elo: 2052Age: 24

Match Prediction

Katie

Boulter

Overall: 1634

Hard: 1625

Marta

Kostyuk

Overall: 2052

Hard: 2020

String Tension Elo Prediction:

8.6%

91.4%

Implied Odds:

Kostyuk: -1066

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

18-12

22-5

60%

81%

Serve Statistics

2.4

Aces/Match

3.4

5.1

Double Faults/Match

4.1

59%

1st Serve %

59%

69%

1st Serve Won %

69%

43%

2nd Serve Won %

48%

Return Statistics

44%

Return Points Won %

49%

4.0/8.7 (46%)

Break Point Offense

4.8/10.1 (47%)

4.5/7.9 (56%)

Break Point Defense

4.2/6.8 (61%)

Note: Season stats are from the 2026 season.