Chun Hsin Tseng vs Valerio AboianRosario CH Quarter-final

Rosario 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, 2 February 2026
clay
#427ATP
1348ELO
1339Clay ELO
24 yrs · 183 cm · Left-handed
Last 10 · pre-match
LLWLWWLWLW
Tseng C.
6-2 6-1
Aboian V.
Tseng C.
662
Aboian V.
210

Chun Hsin Tseng defeated Valerio Aboian 6-2 6-1 in the Rosario CH quarter-final on clay. The result followed the form book — Chun Hsin Tseng came in ranked #234, defending last year's round of 32.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Tseng C.serving62% hold

wins 55% of points on serve vs Aboian V.

Aboian V.serving62% hold

wins 55% of points on serve vs Tseng C.

Baseline battle — serve is shaky, expect plenty of breaks

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·Slight edge
64%
59%
1st serve points won·Even
66%
67%
2nd serve points won·Even
50%
46%
Service points won·Even
60%
58%
Return points won·Even
40%
42%
Break points saved·Even
57%
60%
Aces / match·Dominant
1.8
4.9
Double faults / match·Slight edge
1.7
2.1

Averages over each player's completed matches in the selected window (29 vs 27). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Clear edge
26
12
Break points saved·Dominant
83
39
Break points won·Clear edge
15
37
Deciding sets·Clear edge
31
18
Tiebreaks·
23

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

Umpiry Score

Pre-match
7.2
Strong advantageUmpiry Score
5.8
Slight disadvantageUmpiry Score
Form & Matchup
7.7+202 Clay Elo edge
Surface ELO
2.3Clay Elo 1339
7.6Overall Elo 1554
ELO gap
2.4Overall Elo 1348
5.0No prior meetings
H2H
5.0
5.8
Surface form
6.6
0.0
Win streak
Fatigue & Travel
6.2
Minutes 14d
9.0
Prev. match
7.0
Context
6.0
Defending pts
6.0

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·Clear edge
100
86

Tseng C.: 21 days rest · Aboian V.: 7 days rest · 1 match, 37 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast