Emerson Jones vs Ena KoikeW100 Tokyo Round of 32

W100 Tokyo · CHALLENGER · Round of 32
#135WTA
1671ELO
1664Hard ELO
18 yrs · Right-handed
Last 10 · pre-match
LWLLLLLWWW
0 — 0
Sets
Monday, 20 April 2026
hard
#411WTA
1367ELO
1346Hard ELO
19 yrs · Right-handed
Last 10 · pre-match
LLWLWWWWLW
Jones E.
6-4 6-4
Koike E.
Jones E.
662
Koike E.
44

Emerson Jones defeated Ena Koike 6-4 6-4 in the W100 Tokyo round of 32 on hard. The result followed the form book — Emerson Jones came in ranked #135, defending last year's round of 16.

Key context

  • Match story: Emerson Jones edged a tight contest from start to finish — 6–4 6–4.

Head to head

No previous meetings on record.

Serve vs return

This season
Jones E.serving53% hold

wins 51% of points on serve vs Koike E.

Koike E.serving56% hold

wins 52% of points on serve vs Jones E.

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
1st serve in·Even
62%
60%
1st serve points won·Even
62%
64%
2nd serve points won·Even
46%
48%
Service points won·Even
56%
57%
Return points won·Even
45%
45%
Break points saved·Even
59%
57%
Aces / match·Even
1.8
1.8
Double faults / match·Clear edge
4.3
3.2

Averages over each player's completed matches in the selected window (23 vs 28). ATP, WTA & Challenger.

Umpiry Score

Pre-match
6.4
Marginal edgeUmpiry ScorePartial · surface data limited
6.4
Marginal edgeUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
6.4
Surface form
6.2
Fatigue & Travel
3-set count
4.0
Context
6.0
Defending pts
6.0

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
Freshness·
100

Jones E.: 17 days rest. Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast