Sofia Costoulas vs Haruka Kaji — W75 Kofu Semi-final
W75 Kofu · CHALLENGER · Semi-final
0 — 0
Sets
Monday, 16 March 2026
hard
Umpiry Score
Pre-match6.1
Even matchUmpiry ScorePartial · surface data limited5.8
Slight disadvantageUmpiry ScorePartial · surface data limitedForm & Matchup
5.0No prior meetings
H2H5.0
5.1
Surface form4.4
0.0Lost last 2
Win streak0.0
Fatigue & Travel
3-set count
0.0
Context
5.0
Defending pts5.0
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.
Costoulas S.
662
Kaji H.
10–
Head to head
No previous meetings on record.
Statistics
Recent form60%1st serve in+9%69%
68%1st serve points won+11%57%
43%2nd serve points won+7%50%
58%Service points won+3%55%
44%Return points won+1%43%
56%Break points saved+7%49%
3.4Aces / match+2.21.2
2.9Double faults / match+0.92
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.
Draw
Quarter-finals
Kaji H.
Hibino N.
0-66-46-3
Costoulas S.
Kinoshita H.
6-42-67-5
You X.
Morvayova V.
6-36-0
Ma Y.
Zhu L.
0-66-40-0
R16
You X.
Von Deichmann K.
4-67-56-2
Morvayova V.
Preston T.
6-46-2
Kinoshita H.
Saito S.
6-46-0
Hibino N.
Abe H.
6-46-3
Kaji H.
Noguchi S.
6-36-3
Ma Y.
Cabrera L.
7-646-1
Costoulas S.
Liu C.
6-746-37-63
Zhu L.
Yamaguchi M.
6-36-0
R32
Yamaguchi M.
Tsuji S.
6-16-2
Preston T.
Sawashiro K.
4-66-06-2
You X.
Shimizu E.
6-36-1
Abe H.
Sato H.
3-66-16-3
Noguchi S.
Hontama M.
7-52-1
Costoulas S.
Serban R.
6-36-4
Cabrera L.
Ishii S.
6-46-4
Morvayova V.
Hosogi S.
6-16-0
Kaji H.
Sakatsume H.
3-66-37-5
Zhu L.
Ito A.
6-06-2
Ma Y.
Dart H.
4-67-650-0
Kinoshita H.
Ozeki M.
6-26-1
Hibino N.
Hasegawa M.
6-06-0
Saito S.
Ku Y.
6-26-2
Liu C.
Shibahara E.
4-66-16-1
Von Deichmann K.
Iatcenko P.
6-00-0