Chun Hsin Tseng vs Fajing Sun — Zhangjiagang Quarter-final

Zhangjiagang · CHALLENGER · Quarter-final
Chun Hsin Tseng
TPE3
Chun Hsin Tseng
#221ATP
1554ELO
1495Hard ELO
25 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLWWLWWWWL
2 — 0
Sets
Friday, 4 September 2026 ·
hard
CENTER COURT · 2nd on
Fajing Sun
CHN
Fajing Sun
#323ATP
1496ELO
1473Hard ELO
29 yrs · 178 cm · Right-handed
Last 10 · pre-match
LWWLWWLWLL
Hsin Tseng C.
6-3 6-3
Sun F.
Hsin Tseng C.
662
Sun F.
330

Chun Hsin Tseng defeated Fajing Sun in the quarterfinals of the Zhangjiagang hard-court tournament, winning 6-3, 6-3. Tseng converted all his break points and secured one service break en route to victory. Tseng served one ace to Sun's two, and neither player committed a double fault.

Generated automatically from Umpiry match data.

Key context

Head to head

No previous meetings on record.

Statistics

This season
Hsin Tseng C.Sun F.
1st serve in·Even
60%
59%
1st serve points won·Slight edge
66%
72%
2nd serve points won·Slight edge
48%
55%
Service points won·Slight edge
59%
65%
Return points won·Even
41%
38%
Break points saved·Slight edge
57%
66%
Aces / match·Clear edge
1.2
3.5
Double faults / match·Slight edge
1.7
1.3

Averages over each player's completed matches in the selected window (22 vs 31). ATP, WTA & Challenger.

Clutch

Under pressure
Hsin Tseng C.Sun F.
Clutch Rating·Slight edge
0
5
Break points saved·Even
69
65
Break points won·Slight edge
1
10
Deciding sets·Even
7
8
Tiebreaks·Even
1
4

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

Win Probability

Pre-match · updated 04:50 UTC
Hsin Tseng C.48%
Sun F.52%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
Hsin Tseng C.
6.4
Marginal edgeUmpiry Score
Sun F.
6.1
Even matchUmpiry Score
Form & Matchup
5.3+22 Hard Elo edge
Surface ELO
4.7Hard Elo 1473
5.7Overall Elo 1554
ELO gap
4.3Overall Elo 1496
5.0No prior meetings
H2H
5.0No prior meetings
4.64 of last 10 on hard
Surface form
5.95 of last 10 on hard
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
7.01 three-setter in 14 days
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play here last year

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
Hsin Tseng C.Sun F.
Freshness·Slight edge
61
71

Hsin Tseng C.: 1 day rest · 4 matches, 91 games (7d) · Sun F.: 1 day rest · 3 matches, 58 games (7d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather
28°CDrizzle
Wind 17 km/hHumidity 73%

Draw