Sandro Kopp vs Federico ArnaboldiM25 Bolzano Quarter-final

M25 Bolzano · ITF · Quarter-final
#286ATP
1437ELO
1428Clay ELO
26 yrs · 185 cm · Right-handed
Last 10
WWLWLWLWWW
Sets
Thursday, 30 July 2026 ·
clay
#524ATP
1328ELO
1289Clay ELO
26 yrs · 185 cm · Right-handed
Last 10
WWLLWLWWWW
Kopp S.
vs
Arnaboldi F.

Sandro Kopp faces Federico Arnaboldi in the M25 Bolzano quarter-final on clay. Sandro Kopp holds the paper edge — ranked #286, a roughly 140-point clay Elo advantage. Recent clay form is closely matched.

Win Probability

Pre-match · updated 06:50 UTC
Kopp S.68%
Arnaboldi F.32%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · Kopp S. clearly ahead, but no certainty

Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.

Key context

Common opponents

Last 12 months
No common opponents in the last 12 months.
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match
5.6
Slight disadvantageUmpiry Score
  • Back-to-back day (−0.5)
3.9
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
6.7+139 Clay Elo edge
Surface ELO
3.3Clay Elo 1289
6.4Overall Elo 1437
ELO gap
3.6Overall Elo 1328
7.0Leads 1–0 on clay
H2H
3.0Trails 0–1 on clay
5.66 of last 10 on clay
Surface form
3.04 of last 10 on clay
0.0
Win streak
0.0Lost last 5
Fatigue & Travel
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.

21 vs 30 matches

Statistics

This season
1st serve in·Clear edge
71%
58%
1st serve points won·Even
67%
69%
2nd serve points won·Even
53%
50%
Service points won·Even
63%
61%
Return points won·Slight edge
37%
42%
Break points saved·Even
59%
57%
Aces / match·Slight edge
3.4
4.1
Double faults / match·Clear edge
1.6
2.9

Averages over each player's completed matches in the selected window (21 vs 30). ATP, WTA & Challenger.

Serve vs return

This season
Kopp S.serving68% hold

wins 58% of points on serve vs Arnaboldi F.

Arnaboldi F.serving74% hold

wins 60% of points on serve vs Kopp S.

Serve advantage — Arnaboldi F.

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·Dominant
4
39
Break points saved·Clear edge
64
41
Break points won·Even
16
15
Deciding sets·Dominant
5
80
Tiebreaks·Dominant
2
80

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

Freshness

Recent load
Freshness·Even
96
96

Kopp S.: 11 days rest · 2 matches (14d) · Arnaboldi F.: 11 days rest · 1 match (14d). Higher means fresher. About

Conditions

Weather forecast
26°CClear
Wind 12 km/hHumidity 32%

Head to head

No previous meetings on record.

Draw