Matteo Arnaldi vs James DuckworthUS Open Round of 128

US Open · ATP · Round of 128
#34ATP
1830ELO
1732Hard ELO
25 yrs · 185 cm · Right-handed
Last 10 · pre-match
LLWLLWLLWW
1 — 3
Sets
Monday, 31 August 2026 ·
hard
Court 10 · 2nd on
#79ATP
1628ELO
1592Hard ELO
34 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWWWWLWLWL
Arnaldi M.
7-5 3-6 2-6 6-7
Duckworth J.
Arnaldi M.
732681
Duckworth J.
5667103

James Duckworth defeated Matteo Arnaldi in the Round of 128 at the US Open. The match ended with a score of 5-7, 6-3, 6-2, 7-6 in favor of Duckworth. He hit 16 aces and committed 4 double faults, converting 32% of break points and securing 6 service breaks, compared to Arnaldi's 5 aces, 7 double faults, 27% break point conversion, and 4 service breaks.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Even
59%
56%
1st serve points won·Slight edge
70%
75%
2nd serve points won·Even
49%
53%
Service points won·Even
61%
65%
Return points won·Slight edge
39%
33%
Break points saved·Slight edge
62%
73%
Aces / match·Dominant
5.4
8.4
Double faults / match·Even
3.8
3.8

Averages over each player's completed matches in the selected window (23 vs 31). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
54
27
Break points saved·Even
95
92
Break points won·Clear edge
22
1
Deciding sets·Dominant
58
27
Tiebreaks·Clear edge
98
74

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

Win Probability

Pre-match · updated 16:50 UTC
Arnaldi M.63%
Duckworth J.37%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Arnaldi M. narrowly ahead

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

Umpiry Score

Pre-match
6.1
Even matchUmpiry Score
5.7
Slight disadvantageUmpiry Score
Form & Matchup
6.8+140 Hard Elo edge
Surface ELO
3.2Hard Elo 1592
7.5Overall Elo 1830
ELO gap
2.5Overall Elo 1628
5.0No prior meetings
H2H
5.0No prior meetings
1.92 of last 10 on hard
Surface form
6.26 of last 10 on hard
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
Context
6.0Reached the R128 here last year
Defending pts
6.0Reached the R128 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.

Freshness

Recent load
Freshness·Clear edge
73
53

Arnaldi M.: 2 days rest · 1 match, 42 games (7d) · Duckworth J.: 2 days rest · 5 matches, 129 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
25°COvercast
Wind 10 km/hHumidity 70%

Draw