Matteo Arnaldi vs Rei SakamotoShanghai Masters Round of 128

Shanghai Masters · ATP · Round of 128
#35ATP
1830ELO
1732Hard ELO
$1.2MYTD
$5.8MCAREER
25 yrs · 185 cm · Right-handed
Last 10 · pre-match
LLWWWWWWWL
2 — 0
Sets
Wednesday, 1 October 2025
hard
#150ATP
1608ELO
1589Hard ELO
$233kYTD
$492kCAREER
20 yrs · 193 cm · Right-handed
Last 10 · pre-match
LWLWWLLWWW
Arnaldi M.
7-6 6-4
Sakamoto R.
Arnaldi M.
7762
Sakamoto R.
6340

Matteo Arnaldi defeated Rei Sakamoto 7-6 6-4 in the Shanghai Masters round of 128 on hard. The result followed the form book — Matteo Arnaldi came in ranked #35, defending last year's round of 32.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Arnaldi M.serving80% hold

wins 63% of points on serve vs Sakamoto R.

Sakamoto R.serving88% hold

wins 68% of points on serve vs Arnaldi M.

Serve advantage — Sakamoto R.

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 hard

Arnaldi M.Sakamoto R.
23
Serve
22
Return

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

Statistics

This season
1st serve in·Slight edge
56%
63%
1st serve points won·Even
69%
73%
2nd serve points won·Even
51%
51%
Service points won·Even
61%
65%
Return points won·Even
36%
37%
Break points saved·Even
62%
61%
Aces / match·Slight edge
5.6
7.0
Double faults / match·Clear edge
3.5
2.1

Averages over each player's completed matches in the selected window (60 vs 87). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
78
49
Break points saved·Slight edge
97
87
Break points won·Dominant
51
8
Deciding sets·Slight edge
86
93
Tiebreaks·Dominant
99
23

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

Umpiry Score

Pre-match
6.4
Marginal edgeUmpiry Score
5.7
Slight disadvantageUmpiry Score
Form & Matchup
6.0+143 Hard Elo edge
Surface ELO
4.0Hard Elo 1589
6.3Overall Elo 1830
ELO gap
3.7Overall Elo 1608
5.0No prior meetings
H2H
5.0
3.5
Surface form
2.8
0.0
Win streak
Fatigue & Travel
5.9
Minutes 14d
7.0
4.0
3-set count
7.0
7.0
Prev. match
8.0
Context
6.0
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·Even
95
94

Arnaldi M.: 12 days rest · 1 match (14d) · Sakamoto R.: 10 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather
28°COvercast
Wind 3 km/hHumidity 62%