Mary Stoiana vs Ena Koike — W75 Sumter SC Quarter-final

W75 Sumter SC · CHALLENGER · Quarter-final
USA
Mary Stoiana
#124WTA
1656ELO
1567Hard ELO
23 yrs
Last 10 · pre-match
LWWLWLWWWL
0 — 0
Sets
Monday, 2 June 2025
hard
JPN
Ena Koike
#331WTA
1367ELO
1346Hard ELO
19 yrs · Right-handed
Last 10 · pre-match
LLWLWWWWLW
Stoiana M.
6-1 7-6
Koike E.
Stoiana M.
6782
Koike E.
166–

Mary Stoiana defeated Ena Koike 6-1 7-6 in the W75 Sumter SC quarter-final on hard. The result followed the form book — Mary Stoiana came in ranked #124.

Key context

  • Match story: Mary Stoiana came through a tight passage before pulling clear — 6–1 7–6.

Head to head

No previous meetings on record.

Serve vs return

This season
Stoiana M.serving54% hold

wins 52% of points on serve vs Koike E.

Koike E.serving57% hold

wins 53% of points on serve vs Stoiana M.

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
Stoiana M.Koike E.
1st serve in·Even
63%
61%
1st serve points won·Even
62%
64%
2nd serve points won·Even
47%
46%
Service points won·Even
56%
57%
Return points won·Even
44%
44%
Break points saved·Even
55%
55%
Aces / match·Even
1.4
1.6
Double faults / match·Clear edge
2.8
3.7

Averages over each player's completed matches in the selected window (56 vs 50). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Stoiana M.
5.0
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 42 days (−0.7)
Koike E.
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
6.8
Surface form
3.5
0.0
Win streak
0.0
Fatigue & Travel
6.0
Surface transition
Context
6.0
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
Stoiana M.Koike E.
Freshness·
73
—

Stoiana M.: 4 days rest · 3 matches, 71 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast

Draw

Final
Vidmanova D.
Brace C.
7-56-1
Semi-finals
Brace C.
Sebov K.
7-56-756-3
Vidmanova D.
Stoiana M.
7-6136-1
Quarter-finals
Vidmanova D.
Bhamidipaty S.
6-06-4
Brace C.
Daniel J.
6-36-2
Sebov K.
Bennett D.
4-66-26-3
Stoiana M.
Koike E.
6-17-66
R16
Koike E.
Okalova M.
4-66-46-0
Bhamidipaty S.
Fliegner J.
6-46-1
Daniel J.
Honer A.
6-20-0
Brace C.
Perry L.
6-06-2
Bennett D.
Anderson R.
6-36-4
Stoiana M.
Arconada U.
7-56-3
Vidmanova D.
Akli A.
6-766-46-1
Sebov K.
Ma L.
6-36-2
R32
Fliegner J.
Sieg M.
3-66-16-2
Honer A.
Ma Y.
6-36-0
Perry L.
Hu V.
1-66-36-4
Anderson R.
Mateas M.
0-66-46-4
Ma L.
Liutova K.
6-36-4
Okalova M.
Scott K.
6-46-3
Bennett D.
Loeb J.
5-76-43-1
Brace C.
Sakatsume H.
6-12-66-2
Sebov K.
Liang E.
6-24-66-4
Akli A.
Robinson J.
4-66-17-63
Vidmanova D.
Kalieva E.
6-16-1
Arconada U.
Colling S.
6-46-4
Koike E.
Rogers A.
5-77-56-3
Stoiana M.
Hovde L.
6-26-4
Daniel J.
Defalco J.
6-26-0
Bhamidipaty S.
Chang H.
3-66-36-3