Janice Tjen vs Lulu Sun — Jinan 125 Semi-final

Jinan 125 · CHALLENGER · Semi-final
INA
Janice Tjen
#39WTA
1658ELO
1684Hard ELO
$630kYTD
$984kCAREER
24 yrs · 171 cm · Right-handed
Last 10 · pre-match
LWLLLLWLWL
2 — 1
Sets
Monday, 13 October 2025
hard
Lulu Sun
NZL
Lulu Sun
#112WTA
1637ELO
1654Hard ELO
25 yrs · Left-handed
Last 10 · pre-match
LWLLWLLLWW
Tjen J.
4-6 7-6 6-4
Sun L.
Tjen J.
47962
Sun L.
66741

Janice Tjen defeated Lulu Sun 4-6 7-6 6-4 in the Jinan 125 semi-final on hard. The result followed the form book — Janice Tjen came in ranked #39.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Tjen J.serving76% hold

wins 61% of points on serve vs Sun L.

Sun L.serving59% hold

wins 54% of points on serve vs Tjen J.

Serve advantage — Tjen J.

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Serve & return on hard

Tjen J.Sun L.
53
Serve
59
13
Return
0

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
Tjen J.Sun L.
1st serve in·Slight edge
62%
56%
1st serve points won·Even
69%
70%
2nd serve points won·Even
51%
48%
Service points won·Even
62%
60%
Return points won·Slight edge
46%
40%
Break points saved·Slight edge
56%
61%
Aces / match·Clear edge
3.4
5.3
Double faults / match·Slight edge
2.7
3.4

Averages over each player's completed matches in the selected window (97 vs 67). ATP, WTA & Challenger.

Clutch

Under pressure
Tjen J.Sun L.
Clutch Rating·Slight edge
78
72
Break points saved·Slight edge
84
94
Break points won·Dominant
85
52
Deciding sets·Clear edge
75
90
Tiebreaks·Clear edge
99
78

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
Tjen J.
6.8
Slight advantageUmpiry Score
Sun L.
6.5
Marginal edgeUmpiry Score
Form & Matchup
5.8+30 Hard Elo edge
Surface ELO
4.2Hard Elo 1654
6.1Overall Elo 1658
ELO gap
3.9Overall Elo 1637
5.0No prior meetings
H2H
5.0
7.1
Surface form
7.9
Win streak
0.0
Fatigue & Travel
7.0
3-set count
7.0
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.

Freshness

Recent load
Tjen J.Sun L.
Freshness·Slight edge
95
100

Tjen J.: 12 days rest · 2 matches (14d) · Sun L.: 19 days rest. Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Final
Tjen J.
Bondar A.
6-44-66-4
Semi-finals
Tjen J.
Sun L.
4-67-676-4
Bondar A.
Nugroho P.
6-46-0
Quarter-finals
Sun L.
Zakharova A.
7-616-0
Tjen J.
Gao X.
6-46-0
Nugroho P.
Rodionova A.
1-66-26-2
Bondar A.
Ma Y.
7-6106-2
R16
Zakharova A.
Prozorova T.
6-16-2
Sun L.
Hartono A.
6-16-2
Nugroho P.
Osuigwe W.
2-66-26-4
Rodionova A.
Erjavec V.
6-26-746-2
Tjen J.
Iatcenko P.
6-36-4
Bondar A.
Wei S.
6-17-5
Gao X.
Kaji H.
6-36-3
Ma Y.
Korneeva A.
6-36-3
R32
Tjen J.
Wang Y.
6-46-746-2
Iatcenko P.
Pridankina E.
1-66-46-2
Gao X.
Rakotomanga Rajaonah T.
7-636-3
Osuigwe W.
Paquet C.
6-26-4
Rodionova A.
Andreeva E.
7-56-3
Erjavec V.
Tian F.
6-37-5
Prozorova T.
Reyngold E.
6-27-63
Nugroho P.
Bai Z.
5-76-36-4
Korneeva A.
You X.
3-66-36-2
Wei S.
Zavatska K.
7-57-64
Ma Y.
Jimenez Kasintseva V.
3-66-46-3
Hartono A.
Li X.
6-17-5
Kaji H.
Ren Y.
4-66-27-5
Bondar A.
Astakhova D.
6-26-0
Zakharova A.
Tararudee L.
6-26-1
Sun L.
Shi H.
3-66-06-0