Katie Boulter vs Marta Kostyuk — San Diego Final

San Diego · WTA · Final
GBR
Katie Boulter
#71WTA
1816ELO
1787Hard ELO
29 yrs · 180 cm · Right-handed
Last 10
LWLWLWLWWL
2 — 1
Sets
Monday, 26 February 2024
hard
UKR
Marta Kostyuk
[6]
#15WTA
2032ELO
1955Hard ELO
$1.4MYTD
$8.3MCAREER
23 yrs · 175 cm · Right-handed
Last 10
WWWWWWWWWW

Umpiry Score

Pre-match
Boulter K.
5.2
Clear underdogUmpiry Score
  • Extended break: 28 days (−0.3)
Kostyuk M.
5.8
Slight disadvantageUmpiry Score
  • Recent retirement (−1.5)
Form & Matchup
3.0Hard Elo 1787
Surface ELO
7.0+168 Hard Elo edge
2.5Overall Elo 1816
ELO gap
7.5Overall Elo 2032
5.0
H2H
5.0
6.3
Surface form
6.7
0.0
Win streak
0.0
Fatigue & Travel
Minutes 14d
9.0
8.0
Prev. match
Context
5.0
Defending pts
6.0

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

Boulter K.
5662
Kostyuk M.
7221

Head to head

0–1
DateTournamentRoundSurfaceWinnerScore
2025-08-25US OpenR128hardMarta Kostyuk6-4 6-4
View full head-to-head →

Statistics

Recent form
Boulter K.Kostyuk M.
59%1st serve in+1%60%
68%1st serve points won+2%70%
48%2nd serve points won48%
60%Service points won+1%61%
46%Return points won+4%50%
57%Break points saved+4%61%
2.2Aces / match+0.83
4.3Double faults / match+0.43.9

Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.

Draw

Final
Boulter K.
Kostyuk M.[6]
5-76-26-2
Semi-finals
Kostyuk M.[6]
Pegula J.[1]
7-646-1
Boulter K.
Navarro E.[3]
6-36-1
Quarter-finals
Pegula J.[1]
Blinkova A.
6-12-66-2
Kostyuk M.[6]
Pavlyuchenkova A.[4]
3-66-46-3
Navarro E.[3]
Saville D.
6-46-2
Boulter K.
Vekic D.[7]
6-46-3
R16
Kostyuk M.[6]
Preston T.
6-46-3
Saville D.
Maria T.
5-77-626-2
Vekic D.[7]
Stakusic M.
6-43-66-3
Pegula J.[1]
Niemeier J.
6-06-4
Pavlyuchenkova A.[4]
Wang X.
4-67-656-2
Boulter K.
Haddad Maia B.[2]
3-66-36-4
Blinkova A.
Yastremska D.[5]
7-666-2
Navarro E.[3]
Siniakova K.
6-33-66-1
R32
Preston T.
Frech M.
6-44-66-1
Siniakova K.
Hontama M.
6-36-1
Wang X.
Tauson C.
6-22-66-1
Boulter K.
Tsurenko L.
6-36-1
Saville D.
Zhu L.
6-36-3
Vekic D.[7]
Hui K.
7-56-2
Kostyuk M.[6]
Li A.
6-44-66-2
Maria T.
Fernandez L.[8]
6-774-0
Stakusic M.
Melnikova M.
6-45-76-1
Yastremska D.[5]
Dolehide C.
6-45-76-1
Niemeier J.
Gracheva V.
6-36-0
Blinkova A.
Wozniacki C.
1-66-46-1