Chun Hsin Tseng vs Gustavo HeideSan Marino CH Quarter-final

San Marino CH · CHALLENGER · Quarter-final
#234ATP
1554ELO
1541Clay ELO
$99kYTD
$1.7MCAREER
24 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLWWLWLWLW
2 — 0
Sets
Monday, 29 July 2024
clay
#136ATP
1695ELO
1679Clay ELO
$167kYTD
$609kCAREER
24 yrs · 191 cm · Right-handed
Last 10 · pre-match
LWWLWWWLWW
Tseng C.
7-6 6-2
Heide G.
Tseng C.
7762
Heide G.
6220

Chun Hsin Tseng defeated Gustavo Heide 7-6 6-2 in the San Marino CH quarter-final on clay. The upset overturned the form book — Gustavo Heide came in ranked #136, leading the head-to-head 1–0. Chun Hsin Tseng claimed a first win over Gustavo Heide in two meetings, narrowing the head-to-head to 1–1.

Key context

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2026-06-22WimbledonQFgrassGustavo Heide6.8-7.10 4-6

Serve vs return

This season
Tseng C.serving68% hold

wins 57% of points on serve vs Heide G.

Heide G.serving76% hold

wins 61% of points on serve vs Tseng C.

Serve advantage — Heide G.

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

Statistics

This season
1st serve in·Even
58%
57%
1st serve points won·Even
69%
71%
2nd serve points won·Even
51%
54%
Service points won·Even
61%
64%
Return points won·Even
39%
40%
Break points saved·Even
62%
64%
Aces / match·Slight edge
3.0
4.3
Double faults / match·Dominant
2.1
3.7

Averages over each player's completed matches in the selected window (171 vs 110). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
26
51
Break points saved·Slight edge
83
90
Break points won·Slight edge
15
10
Deciding sets·Dominant
31
63
Tiebreaks·Dominant
23
88

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

Umpiry Score

Pre-match
5.7
Slight disadvantageUmpiry Score
6.4
Marginal edgeUmpiry Score
Form & Matchup
3.8Clay Elo 1541
Surface ELO
6.2+138 Clay Elo edge
3.7Overall Elo 1554
ELO gap
6.3Overall Elo 1695
5.0
H2H
5.0
4.7
Surface form
5.1
0.0Lost last 2
Win streak
0.0Lost last 2
Fatigue & Travel
7.6
Minutes 14d
1.6
7.0
3-set count
0.0
Prev. match
7.0
Context
5.0
Defending pts
5.0

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.

Freshness

Recent load
Freshness·
72

Heide G.: 4 days rest · 3 matches, 68 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast