Raluka Serban vs Ena Koike — W100 Takasaki Round of 16

W100 Takasaki · CHALLENGER · Round of 16
CYP
Raluka Serban
#337WTA
1356ELO
1365Hard ELO
29 yrs · Right-handed
Last 10 · pre-match
LLLWLLLWLL
2 — 1
Sets
Monday, 18 May 2026 ·
hard
JPN
Ena Koike
#326WTA
1367ELO
1346Hard ELO
19 yrs · Right-handed
Last 10 · pre-match
LLWWLWWWLW
Serban R.
4-6 7-5 6-4
Koike E.
Serban R.
4762
Koike E.
6541

Raluka Serban defeated Ena Koike 4-6 7-5 6-4 in the W100 Takasaki round of 16 on hard. The upset overturned the form book — Ena Koike came in ranked #326, defending last year's round of 32.

Key context

Head to head

No previous meetings on record.

Statistics

This season
Serban R.Koike E.
1st serve in·Slight edge
64%
59%
1st serve points won·Slight edge
60%
65%
2nd serve points won·Slight edge
40%
47%
Service points won·Slight edge
53%
58%
Return points won·Even
45%
45%
Break points saved·Slight edge
47%
57%
Aces / match·Even
1.6
2.0
Double faults / match·Dominant
5.9
3.4

Averages over each player's completed matches in the selected window (27 vs 31). ATP, WTA & Challenger.

Conditions

Court speed
Medium-fastrewards aggression
SlowFast

Draw