Chun Hsin Tseng vs Gustavo HeideWimbledon Qualifying Round

Wimbledon · ATP · Qualifying Round
#234ATP
1561ELO
1408Grass ELO
$99kYTD
$1.7MCAREER
24 yrs · 175 cm · Right-handed
Last 10
LWWLWLWLWL
Sets
Monday, 22 June 2026 ·
grass
#187ATP
1639ELO
1489Grass ELO
$139kYTD
$581kCAREER
24 yrs · 191 cm · Right-handed
Last 10
WWWWWLWLLL
Tseng C.
vs
Heide G.

Chun Hsin Tseng faces Gustavo Heide in the Wimbledon qualifying round on grass. Gustavo Heide holds the paper edge — ranked #187, a roughly 80-point grass Elo advantage.

Win Probability

Pre-match · updated 15:37 UTC
Tseng C.22%
Heide G.78%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · Heide G. clearly ahead, but no certainty

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

  • Under pressure: In the tight moments, Gustavo Heide has rated higher under pressure (Clutch Rating 47 vs 27).
  • Fatigue load: Gustavo Heide carries the heavier recent load — 2 three-setters to 1 in the past fortnight.
  • Win streak: Gustavo Heide arrives on a 5-match winning run.

Umpiry Score

Pre-match
4.8
Heavy underdogUmpiry Score
  • Surface jump clay↔grass (−0.8)
5.9
Even matchUmpiry ScorePartial · surface data limited
  • Surface jump clay↔grass (−0.8)
Form & Matchup
4.0Grass Elo 1408
Surface ELO
6.0+80 Grass Elo edge
4.0Overall Elo 1560
ELO gap
6.0Overall Elo 1639
5.0First meeting on grass
H2H
5.0First meeting on grass
2.12 of last 10 on grass
Surface form
0.0
Win streak
9.05-match win streak
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
4.02 three-setters in 14 days
3.0Clay → Grass
Surface transition
3.0Clay → Grass
Context
6.0Reached the R128 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.

Form trajectory

Tseng C.Stable
Heide G.Cooling

Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About

30 vs 25 matches

Statistics

This season
1st serve in·Slight edge
64%
55%
1st serve points won·Slight edge
66%
71%
2nd serve points won·Even
50%
53%
Service points won·Even
61%
62%
Return points won·Even
41%
42%
Break points saved·Even
59%
60%
Aces / match·Clear edge
1.8
4.0
Double faults / match·Dominant
1.7
5.1

Averages over each player's completed matches in the selected window (30 vs 25). ATP, WTA & Challenger.

Serve vs return

This season
Tseng C.serving76% hold

wins 61% of points on serve vs Heide G.

Heide G.serving79% hold

wins 63% of points on serve vs Tseng C.

Even serve battle

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

Clutch

Under pressure
Clutch Rating·Clear edge
27
47
Break points saved·Slight edge
83
90
Break points won·Slight edge
16
10
Deciding sets·Dominant
31
57
Tiebreaks·Dominant
27
77

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

Freshness

Recent load
Freshness·Clear edge
69
52

Tseng C.: 3 days rest · 3 matches, 66 games (7d) · Heide G.: 1 day rest · 5 matches, 110 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather forecast
26°CClear
Wind 18 km/hHumidity 57%

Head to head

No previous meetings on record.