Sofia Costoulas vs Ye Xin Ma — W75 Kofu Final

W75 Kofu · CHALLENGER · Final
BEL
Sofia Costoulas
#156WTA
1565ELO
1569Hard ELO
21 yrs
Last 10 · pre-match
LLLWWLWLWW
0 — 0
Sets
Monday, 16 March 2026
hard
CHN
Ye Xin Ma
#193WTA
1450ELO
1441Hard ELO
27 yrs
Last 10 · pre-match
LLWLLLLLWW
Costoulas S.
7-5 6-3
Ma Y.
Costoulas S.
762
Ma Y.
53–

Sofia Costoulas defeated Ye Xin Ma 7-5 6-3 in the W75 Kofu final on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Costoulas S.serving62% hold

wins 55% of points on serve vs Ma Y.

Ma Y.serving57% hold

wins 53% of points on serve vs Costoulas S.

Baseline battle — serve is shaky, expect plenty of breaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Statistics

This season
Costoulas S.Ma Y.
1st serve in·Even
60%
57%
1st serve points won·Slight edge
69%
64%
2nd serve points won·Slight edge
44%
51%
Service points won·Even
59%
58%
Return points won·Even
45%
44%
Break points saved·Even
54%
55%
Aces / match·Even
3.4
2.9
Double faults / match·Slight edge
2.9
3.2

Averages over each player's completed matches in the selected window (34 vs 27). ATP, WTA & Challenger.

Clutch

Under pressure
Costoulas S.Ma Y.
Clutch Rating·Dominant
83
57
Break points saved·Dominant
83
54
Break points won·Even
82
80
Deciding sets·Clear edge
96
76
Tiebreaks·
—
—

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

Umpiry Score

Pre-match
Costoulas S.
6.7
Slight advantageUmpiry Score
Ma Y.
6.1
Even matchUmpiry Score
Form & Matchup
6.1+128 Hard Elo edge
Surface ELO
3.9Hard Elo 1441
6.2Overall Elo 1565
ELO gap
3.8Overall Elo 1450
10.0No prior meetings
H2H
0.0
5.1
Surface form
7.7
0.0Lost last 2
Win streak
Context
5.0
Defending pts
5.0

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.

Freshness

Recent load
Costoulas S.Ma Y.
Freshness·Even
100
100

Costoulas S.: 18 days rest · Ma Y.: 18 days rest. Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast

Draw

Final
Costoulas S.
Ma Y.
7-56-3
Semi-finals
Costoulas S.
Kaji H.
6-16-0
Ma Y.
You X.
3-66-26-0
Quarter-finals
You X.
Morvayova V.
6-36-0
Ma Y.
Zhu L.
0-66-40-0
Kaji H.
Hibino N.
0-66-46-3
Costoulas S.
Kinoshita H.
6-42-67-5
R16
You X.
Von Deichmann K.
4-67-56-2
Hibino N.
Abe H.
6-46-3
Morvayova V.
Preston T.
6-46-2
Kinoshita H.
Saito S.
6-46-0
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
Kinoshita H.
Ozeki M.
6-26-1
Hibino N.
Hasegawa M.
6-06-0
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
Saito S.
Ku Y.
6-26-2
Liu C.
Shibahara E.
4-66-16-1
Von Deichmann K.
Iatcenko P.
6-00-0