Sayaka Ishii vs Zeynep Sonmez — Tokyo Round of 16

Tokyo · WTA · Round of 16
JPN
Sayaka Ishii
#642WTA
1424ELO
1407Hard ELO
20 yrs
Last 10 · pre-match
LLLLWLWLWL
2 — 1
Sets
Monday, 21 October 2024
hard
TUR
Zeynep Sonmez
#66WTA
1758ELO
1709Hard ELO
24 yrs · 170 cm · Right-handed
Last 10 · pre-match
LLLWWWWLWL

Sayaka Ishii defeated Zeynep Sonmez 4-6 6-2 6-3 in the Tokyo round of 16 on hard. The upset overturned the form book — Zeynep Sonmez came in ranked #66.

Key context

Umpiry Score

Pre-match
Ishii S.
5.1
Clear underdogUmpiry Score
Sonmez Z.
7.1
Strong advantageUmpiry Score
Form & Matchup
1.8Hard Elo 1407
Surface ELO
8.2+302 Hard Elo edge
1.6Overall Elo 1424
ELO gap
8.4Overall Elo 1758
5.0No prior meetings
H2H
5.0
4.4
Surface form
5.9
0.0Lost last 2
Win streak
0.0Lost last 2
Fatigue & Travel
7.0
3-set count
7.0
7.0
Country comfort
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.

Ishii S.
4662
Sonmez Z.
6231

Conditions

Court speed
Medium-fastrewards aggression
1.13
SlowFast
Weather
18°CMainly clear
Wind 23 km/hHumidity 54%

Head to head

No previous meetings on record.

Statistics

Recent form
Ishii S.Sonmez Z.
62%1st serve in62%
63%1st serve points won63%
43%2nd serve points won+5%48%
55%Service points won+2%57%
43%Return points won+3%46%
52%Break points saved+6%58%
2.3Aces / match+0.41.9
4.3Double faults / match+1.92.4

Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.

Draw

Final
Zheng Q.[1]
Kenin S.
7-656-3
Semi-finals
Kenin S.
Boulter K.[9]
6-46-4
Zheng Q.[1]
Shnaider D.[6]
7-656-3
Quarter-finals
Shnaider D.[6]
Ishii S.
W/O
Zheng Q.[1]
Fernandez L.[8]
6-01-66-3
Kenin S.
Kasatkina D.[3]
6-36-4
Boulter K.[9]
Andreescu B.
6-26-1
R16
Shnaider D.[6]
Tomova V.
6-26-2
Andreescu B.
Haddad Maia B.[2]
3-0
Kenin S.
Tauson C.
6-786-47-66
Ishii S.
Sonmez Z.
4-66-26-3
Boulter K.[9]
Okamura K.
6-16-2
Zheng Q.[1]
Uchijima M.
7-56-0
Fernandez L.[8]
Gracheva V.
6-03-67-5
Kasatkina D.[3]
Kessler M.
3-66-36-1
R32
Gracheva V.
Hontama M.
6-17-64
Sonmez Z.
Frech M.[7]
1-66-46-3
Andreescu B.
Yamaguchi M.
7-56-3
Kessler M.
Cocciaretto E.
6-36-3
Okamura K.
Baptiste H.
7-646-3
Tomova V.
Kudermetova V.
7-636-3
Kenin S.
Wang X.[10]
6-16-4
Fernandez L.[8]
Sasnovich A.
5-76-25-2
Tauson C.
Hibino N.
6-26-3
Ishii S.
Saito S.
6-16-1
Boulter K.[9]
Hon P.
6-16-4
Uchijima M.
Stojsavljevic M.
6-46-777-66