Jiyun Oh vs Erika Sema — W15 Nakhon Pathom Round of 32

W15 Nakhon Pathom · CHALLENGER · Round of 32
KOR
Jiyun Oh
Last 10
LL
0 — 0
Sets
Monday, 27 April 2026
hard
JPN
Erika Sema
#569WTA
37 yrs · 163 cm · Right-handed
Last 10
LWWLWWWLWL

Umpiry Score

Pre-match
Oh J.
4.1
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 168 days (−1.5)
Sema E.
6.5
Marginal edgeUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
Surface form
6.7
0.0
Win streak
0.0
Fatigue & Travel
3-set count
4.0
Context
5.0
Defending pts
7.0

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.

Oh J.
662
Sema E.
44–

Head to head

No previous meetings on record.

Statistics

Recent form
Oh J.Sema E.
58%1st serve in+19%77%
58%1st serve points won+1%59%
19%2nd serve points won+21%40%
41%Service points won+14%55%
45%Return points won+2%47%
46%Break points saved+9%55%
0Aces / match+0.40.4
6Double faults / match+3.82.2

Averages from each player's recent completed matches (2 vs 20). ATP, WTA & Challenger.

Draw

Final
Lee G.
Cheapchandej P.
7-56-746-2
Semi-finals
Lee G.
Liu Y.
6-06-1
Cheapchandej P.
Im H.
7-57-66
Quarter-finals
Im H.
Zhang J.
6-06-3
Lee G.
Lee E.
2-67-56-1
Liu Y.
Naklo T.
4-66-36-4
Cheapchandej P.
Das A.
6-42-67-65
R16
Liu Y.
Hosoki Y.
3-66-46-2
Lee E.
Tse E.
7-56-3
Im H.
Oh J.
6-46-3
Zhang J.
Kuznetsova E.
4-66-14-0
Cheapchandej P.
Jang S.
6-36-1
Naklo T.
Wan E.
7-654-1
Das A.
Yodpetch K.
6-47-64
Lee G.
Chanta A.
1-66-46-1
R32
Wan E.
Shan Y.
6-17-5
Im H.
Shin J.
5-0
Jang S.
Meshcheryakova K.
6-46-2
Yodpetch K.
Chimcham Y.
6-26-3
Zhang J.
Podgorichani L.
6-06-2
Naklo T.
Nguyen K.
1-66-46-1
Das A.
Hou Y.
7-56-1
Hosoki Y.
Gale L.
4-66-46-2
Chanta A.
Thongkum P.
6-16-1
Lee E.
Desvignes E.
7-52-66-4
Oh J.
Sema E.
6-46-4
Tse E.
Stergiopoulos C.
7-56-2
Kuznetsova E.
Kumhom L.
6-41-66-2
Liu Y.
Hongsyok T.
6-26-4
Lee G.
Teso N.
6-11-0
Cheapchandej P.
Kim E.
3-66-46-1