Daniel Altmaier vs Andrea GuerrieriNaples CH Round of 16

Naples CH · CHALLENGER · Round of 16
#61ATP
1734ELO
1693Clay ELO
$574kYTD
$5.4MCAREER
27 yrs · 188 cm · Right-handed
Last 10 · pre-match
LLWLWWWLLL
2 — 1
Sets
Monday, 23 March 2026
clay
#227ATP
1545ELO
1510Clay ELO
27 yrs · 180 cm · Left-handed
Last 10 · pre-match
LWLWLWLWWL
Altmaier D.
6-4 4-6 6-3
Guerrieri A.
Altmaier D.
6462
Guerrieri A.
4631

Daniel Altmaier defeated Andrea Guerrieri 6-4 4-6 6-3 in the Naples CH round of 16 on clay. The result followed the form book — Daniel Altmaier came in ranked #61.

Key context

  • Match story: Daniel Altmaier closed it out in three sets, 6–4 4–6 6–3.

Head to head

No previous meetings on record.

Serve vs return

This season
Altmaier D.serving57% hold

wins 53% of points on serve vs Guerrieri A.

Guerrieri A.serving74% hold

wins 60% of points on serve vs Altmaier D.

Serve advantage — Guerrieri A.

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

Serve & return on clay

Altmaier D.Guerrieri A.
41
Serve
12
Return

Per-surface Serve / Return Rating (0–100, percentile within the clay field, opponent-adjusted over 52 weeks). About

Statistics

This season
1st serve in·Even
63%
63%
1st serve points won·Even
69%
66%
2nd serve points won·Even
47%
46%
Service points won·Even
61%
59%
Return points won·Slight edge
35%
45%
Break points saved·Slight edge
56%
64%
Aces / match·Dominant
5.5
1.5
Double faults / match·Dominant
2.2
4.5

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

Clutch

Under pressure
Clutch Rating·Slight edge
71
62
Break points saved·Clear edge
96
80
Break points won·Slight edge
34
40
Deciding sets·Slight edge
92
84
Tiebreaks·
82

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

Umpiry Score

Pre-match
6.1
Even matchUmpiry Score
4.1
Heavy underdogUmpiry Score
  • Extended break: 49 days (−0.7)
Form & Matchup
7.0+183 Clay Elo edge
Surface ELO
3.0Clay Elo 1510
6.7Overall Elo 1734
ELO gap
3.3Overall Elo 1545
5.0No prior meetings
H2H
5.0
4.5
Surface form
5.0
0.0Lost last 8
Win streak
0.0Lost last 4
Fatigue & Travel
9.3
Minutes 14d
9.0
Prev. match
6.0
Surface transition
6.0
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·Slight edge
93
84

Altmaier D.: 10 days rest · 1 match (14d) · Guerrieri A.: 2 days rest · 2 matches, 35 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast