WTA Billie Jean King Cup - World GroupHard12 Apr 2025 · 15:15
C. Naef
#213 · Switzerland
VS
M. Kostyuk
#28 · Ukraine

Odds

Market
Naef
Kostyuk
Winner

Player analysis

C. Naef comes into this match in difficult form — 0 wins from the last 5. Point statistics tell a concerning story — average DS of -14.2, meaning C. Naef has been on the wrong side of most exchanges over five matches. The serve has been a concern — averaging only 4.9/10, leaving C. Naef vulnerable on second serve and facing frequent return pressure.

DS -14.22Trend down

M. Kostyuk comes into this match in difficult form — 2 wins from the last 5. Form is mixed — DS ranging from -14.8 to 34.1, with at least one match where M. Kostyuk was clearly outplayed. The serve has been a concern — averaging only 6.0/10, leaving M. Kostyuk vulnerable on second serve and facing frequent return pressure.

DS 4.75Trend mixed

Recent form

Recent form bar chartLLLLL

0W 5L last 5

20 OctFett4-6 3-6L
16 SepSherif6-2 6-1L
9 SepEscorihuela6-3 6-7 1-6L
20 AugGormaz4-6 4-6L
14 JulFriedsam4-6 1-6L
Recent form bar chartLWLLW

2W 3L last 5

10 MarRybakina4-6 4-6L
8 MarTownsend6-3 6-2W
18 JanJacquemot6-7 7-6 7-6L
11 JanSabalenka6-4 6-3L
10 JanPegula0-6 3-6W

Hard court stats

Naef
Stat
Kostyuk
69.6%
Win rate
63.6%
94–41
W–L
154–88

Avg stats — last 5

1st serve %60%
1st serve won50%
2nd serve won40%
BP converted50%
BP saved60%
Aces3
Double faults5
1st serve %60%
1st serve won70%
2nd serve won50%
BP converted40%
BP saved60%
Aces3
Double faults4

Head to head

10
Hard 10
C. Naef vs M. Kostyuk head to head match history
DateTournamentSurfaceRoundWinnerScore
WTA Billie Jean King Cup - World GroupHardNaef6-4 7-6