Rei Sakamoto vs James DuckworthMiami Masters Qualifying Round 2

Miami Masters · ATP · Qualifying Round 2
#150ATP
1608ELO
1589Hard ELO
$233kYTD
$492kCAREER
20 yrs · 193 cm · Right-handed
Last 10 · pre-match
LWLWWLLWWW
2 — 0
Sets
Wednesday, 19 March 2025
hard
#79ATP
1628ELO
1592Hard ELO
$485kYTD
$5.4MCAREER
34 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLLWLWLL
Sakamoto R.
7-5 7-6
Duckworth J.
Sakamoto R.
7772
Duckworth J.
5650

Rei Sakamoto defeated James Duckworth 7-5 7-6 in the Miami Masters qualifying round 2 on hard. The upset overturned the form book — James Duckworth came in ranked #79.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Sakamoto R.serving88% hold

wins 68% of points on serve vs Duckworth J.

Duckworth J.serving88% hold

wins 68% of points on serve vs Sakamoto R.

Serve-dominated — both hold easily, expect tiebreaks

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

Sakamoto R.Duckworth J.
Serve
25
Return
23

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
63%
57%
1st serve points won·Even
73%
76%
2nd serve points won·Even
51%
54%
Service points won·Even
65%
66%
Return points won·Even
37%
36%
Break points saved·Slight edge
61%
67%
Aces / match·Even
7.0
7.2
Double faults / match·Clear edge
2.1
2.9

Averages over each player's completed matches in the selected window (88 vs 104). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Slight edge
49
54
Break points saved·Slight edge
87
97
Break points won·Even
8
4
Deciding sets·Clear edge
93
78
Tiebreaks·Dominant
23
72

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

Umpiry Score

Pre-match
6.6
Marginal edgeUmpiry Score
5.9
Even matchUmpiry Score
Form & Matchup
5.0Hard Elo 1589
Surface ELO
5.0+3 Hard Elo edge
4.8Overall Elo 1608
ELO gap
5.2Overall Elo 1628
5.0No prior meetings
H2H
5.0
6.4
Surface form
3.5
Win streak
0.0Lost last 2
Fatigue & Travel
7.1
Minutes 14d
7.2
8.0
Prev. match
8.0
Country comfort
4.8
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·Slight edge
92
85

Sakamoto R.: 9 days rest · 2 matches (14d) · Duckworth J.: 9 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Weather
25°CClear
Wind 4 km/hHumidity 48%