Sofia Costoulas vs Haruka Kaji — W75 Kofu Semi-final

W75 Kofu · CHALLENGER · Semi-final
BEL
Sofia Costoulas
#158WTA
1565ELO
1569Hard ELO
21 yrs
Last 10 · pre-match
LWWLLWLWWL
2 — 0
Sets
Monday, 16 March 2026 ·
hard
JPN
Haruka Kaji
#260WTA
1421ELO
1412Hard ELO
31 yrs · Right-handed
Last 10 · pre-match
LWLLLLWWLW
Costoulas S.
6-1 6-0
Kaji H.
Costoulas S.
662
Kaji H.
100

Sofia Costoulas defeated Haruka Kaji 6-1 6-0 in the W75 Kofu semi-final on hard.

Key context

Head to head

No previous meetings on record.

Statistics

This season
Costoulas S.Kaji H.
1st serve in·Slight edge
61%
68%
1st serve points won·Slight edge
68%
59%
2nd serve points won·Slight edge
44%
49%
Service points won·Even
58%
56%
Return points won·Even
45%
45%
Break points saved·Even
53%
52%
Aces / match·Clear edge
3.3
1.2
Double faults / match·Clear edge
3.0
2.0

Averages over each player's completed matches in the selected window (43 vs 31). ATP, WTA & Challenger.

Clutch

Under pressure
Costoulas S.Kaji H.
Clutch Rating·Dominant
83
56
Break points saved·Dominant
83
52
Break points won·Slight edge
82
91
Deciding sets·Dominant
96
69
Tiebreaks·
—
—

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Freshness

Recent load
Costoulas S.Kaji H.
Freshness·
100
—

Costoulas S.: 20 days rest. Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast

Draw