Moyuka Uchijima vs Sofia Costoulas — Saint Malo 125 Quarter-final

Saint Malo 125 · CHALLENGER · Quarter-final
JPN
Moyuka Uchijima
#108WTA
1681ELO
1639Clay ELO
24 yrs · 171 cm · Right-handed
Last 10 · pre-match
LLWWWWLLLL
0 — 0
Sets
Monday, 27 April 2026
clay
BEL
Sofia Costoulas
#156WTA
1565ELO
1500Clay ELO
21 yrs
Last 10 · pre-match
LLLWWLWLWW
Uchijima M.
6-4 6-1
Costoulas S.
Uchijima M.
662
Costoulas S.
41–

Moyuka Uchijima defeated Sofia Costoulas 6-4 6-1 in the Saint Malo 125 quarter-final on clay. The result followed the form book — Moyuka Uchijima came in ranked #108.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Uchijima M.serving45% hold

wins 48% of points on serve vs Costoulas S.

Costoulas S.serving48% hold

wins 49% of points on serve vs Uchijima 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
Uchijima M.Costoulas S.
1st serve in·Even
61%
60%
1st serve points won·Slight edge
64%
70%
2nd serve points won·Even
44%
44%
Service points won·Even
56%
59%
Return points won·Even
47%
45%
Break points saved·Slight edge
49%
54%
Aces / match·Slight edge
2.1
3.4
Double faults / match·Slight edge
3.2
2.9

Averages over each player's completed matches in the selected window (29 vs 34). ATP, WTA & Challenger.

Clutch

Under pressure
Uchijima M.Costoulas S.
Clutch Rating·Clear edge
71
83
Break points saved·Clear edge
66
83
Break points won·Slight edge
91
82
Deciding sets·Clear edge
78
96
Tiebreaks·
88
—

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

Umpiry Score

Pre-match
Uchijima M.
6.5
Marginal edgeUmpiry Score
Costoulas S.
5.8
Slight disadvantageUmpiry Score
Form & Matchup
7.0+139 Clay Elo edge
Surface ELO
3.0Clay Elo 1500
6.5Overall Elo 1681
ELO gap
3.5Overall Elo 1565
5.0No prior meetings
H2H
5.0
4.8
Surface form
5.0
0.0Lost last 4
Win streak
Fatigue & Travel
8.8
Minutes 14d
7.0
3-set count
7.0
Prev. match
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
Uchijima M.Costoulas S.
Freshness·
—
100

Costoulas S.: 18 days rest. Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Final
Uchijima M.
Valentova T.
6-726-36-1
Semi-finals
Valentova T.
Blinkova A.
6-36-2
Uchijima M.
Ponchet J.
6-47-63
Quarter-finals
Valentova T.
Tagger L.
7-57-5
Blinkova A.
Yuan Y.
6-34-66-2
Ponchet J.
Golubic V.
4-66-46-2
Uchijima M.
Costoulas S.
6-46-1
R16
Tagger L.
Monnot A.
6-46-1
Yuan Y.
Andreescu B.
6-33-66-0
Blinkova A.
Naef C.
6-42-66-1
Ponchet J.
Kabbaj Y.
6-26-4
Golubic V.
Osuigwe W.
2-66-26-2
Uchijima M.
Nguyen Tan L.
7-56-2
Costoulas S.
Jeanjean L.
4-67-616-1
Valentova T.
Liu C.
6-42-66-2
R32
Uchijima M.
Efremova K.
6-43-66-3
Nguyen Tan L.
Tubello A.
7-646-3
Valentova T.
Stephens S.
6-46-1
Liu C.
Rame A.
2-66-16-3
Tagger L.
Rakotomanga Rajaonah T.
6-06-4
Yuan Y.
Sun L.
4-66-36-4
Naef C.
Bartashevich Y.
6-46-0
Blinkova A.
Belgraver J.
7-616-1
Kabbaj Y.
Parry D.
6-37-65
Osuigwe W.
Paquet C.
6-46-2
Golubic V.
Burel C.
6-36-2
Andreescu B.
Jacquemot E.
7-637-65
Ponchet J.
Ferro F.
6-10-1
Monnot A.
Korneeva A.
6-26-3
Costoulas S.
Aksu A.
7-57-64
Jeanjean L.
Gibson T.
6-756-27-5