Janice Tjen vs Dayeon Back — W35 Goyang Quarter-final

W35 Goyang · CHALLENGER · Quarter-final
INA
Janice Tjen
#40WTA
1751ELO
1731Hard ELO
$489kYTD
$843kCAREER
24 yrs · Right-handed
Last 10
LLWLWLLLLL
0 — 0
Sets
Monday, 5 May 2025
hard
KOR
Dayeon Back
#291WTA
24 yrs
Last 10
LWWWLWWWWL

Umpiry Score

Pre-match
Tjen J.
6.2
Even matchUmpiry ScorePartial · surface data limited
Back D.
6.6
Marginal edgeUmpiry ScorePartial · surface data limited
Form & Matchup
5.0
H2H
5.0
7.1
Surface form
7.5
Win streak
0.0
Fatigue & Travel
7.0
3-set count
Context
5.0
Defending pts
5.0
5.0
Opponent rise

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.

Tjen J.
662
Back D.
10–

Head to head

1–0
DateTournamentRoundSurfaceWinnerScore
2025-05-12W35 ChangwonQFhardJanice Tjen1-6 7-6(4) 6-3

Statistics

Recent form
Tjen J.Back D.
60%1st serve in+9%69%
66%1st serve points won+7%59%
47%2nd serve points won+2%45%
59%Service points won+4%55%
40%Return points won+10%50%
55%Break points saved+5%50%
3.2Aces / match+2.50.7
3.3Double faults / match+0.82.5

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

Draw

Final
Saigo R.
Tjen J.
2-66-46-1
Tjen J.
Zhu L.
6-46-1
Semi-finals
Saigo R.
Ahn Y.
6-36-4
Tjen J.
You X.
7-56-1
Zhu L.
Guo H.
7-56-1
Tjen J.
Lee E.
7-656-4
Quarter-finals
You X.
Yamazaki I.
6-16-2
Ahn Y.
Muramatsu C.
2-67-57-5
Saigo R.
Koshiishi A.
6-46-1
Tjen J.
Imamura S.
7-56-1
Zhu L.
Abe H.
7-53-67-5
Lee E.
Li Z.
7-643-66-1
Guo H.
Defalco J.
7-56-0
Tjen J.
Back D.
6-16-0
R16
Koshiishi A.
Zolotareva A.
6-756-46-3
Muramatsu C.
Matsuda M.
7-56-2
You X.
Zhu A.
6-16-2
Tjen J.
Yang Y.
6-16-0
Yamazaki I.
Defalco J.
7-626-1
Ahn Y.
Naklo T.
6-36-3
Imamura S.
Kovapitukted P.
5-76-16-2
Saigo R.
Ren Y.
6-16-1
Guo H.
Wong H.
6-11-66-1
Zhu L.
Zhu A.
7-56-3
Defalco J.
Hosogi S.
7-656-1
Lee E.
Liang E.
6-36-3
Abe H.
Zheng W.
6-16-2
Back D.
Muramatsu C.
6-33-66-3
Li Z.
Koshiishi A.
6-46-2
Tjen J.
You X.
3-66-36-2
R32
Matsuda M.
Kim D.
6-06-1
Koshiishi A.
Lee E.
6-26-2
Ahn Y.
Barry M.
6-26-3
Yamazaki I.
Lu J.
3-66-36-0
Naklo T.
Morvayova V.
6-756-04-1
Ren Y.
Guo H.
6-26-3
Muramatsu C.
Kulikova A.
7-686-2
You X.
Reyngold E.
6-26-3
Tjen J.
Lansere S.
6-26-1
Saigo R.
Jeong B.
7-56-3
Imamura S.
Back D.
6-36-3
Kovapitukted P.
Hu F.
6-36-0
Defalco J.
Zhang Y.
6-46-3
Zolotareva A.
Choo Y.
6-37-5
Zhu A.
Choi S.
6-16-1
Yang Y.
Jeong U.
6-26-3
You X.
Kulikova A.
6-31-0
Zheng W.
Lee Y.
6-16-1
Guo H.
Yamazaki I.
4-66-36-4
Muramatsu C.
Reyngold E.
7-646-4
Back D.
Saigo R.
6-746-36-4
Zhu L.
Chaudhari V.
6-26-3
Koshiishi A.
Hong Y.
4-67-56-1
Wong H.
Kim C.
6-04-1
Hosogi S.
Koike E.
6-01-66-2
Li Z.
Kovapitukted P.
7-624-66-4
Tjen J.
Naklo T.
6-746-36-1
Zhu A.
Barry M.
6-756-26-2
Liang E.
Kim Y.
6-16-3
Defalco J.
Sato H.
6-16-2
Lee E.
Jeong U.
6-06-2
Abe H.
Choi S.
6-26-0