James Duckworth vs Jannik SinnerCanada Masters Round of 32

Canada Masters · ATP · Round of 32
#74ATP
1628ELO
1592Hard ELO
$485kYTD
$5.4MCAREER
34 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLLWLWLL
2 — 0
Sets
Monday, 9 August 2021
hard
#1ATP
2320ELO
2263Hard ELO
$6.9MYTD
$65MCAREER
24 yrs · 191 cm · Right-handed
Last 10 · pre-match
WWWWWWWLWW
Duckworth J.
6-3 6-4
Sinner J.
Duckworth J.
662
Sinner J.
340

James Duckworth defeated Jannik Sinner 6-3 6-4 in the Canada Masters round of 32 on hard. The upset overturned the form book — Jannik Sinner came in ranked #1, leading the head-to-head 3–0. James Duckworth claimed a first win over Jannik Sinner in four meetings, narrowing the head-to-head to 3–1.

Key context

Head to head

03
DateTournamentRoundSurfaceWinnerScore
2026-01-19Australian OpenR64hardJannik Sinner6-1 6-4 6-2
2021-09-27SofiaQFhardJannik Sinner7-6(4) 6-4
2020-10-19Cologne 2R32hardJannik Sinner6-1 6-2

Serve vs return

This season
Duckworth J.serving83% hold

wins 65% of points on serve vs Sinner J.

Sinner J.serving94% hold

wins 74% of points on serve vs Duckworth J.

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

Duckworth J.Sinner J.
25
Serve
100
23
Return
100

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

Statistics

This season
1st serve in·Even
58%
62%
1st serve points won·Even
76%
79%
2nd serve points won·Even
55%
58%
Service points won·Even
67%
71%
Return points won·Slight edge
36%
41%
Break points saved·Slight edge
66%
74%
Aces / match·Even
7.3
7.4
Double faults / match·Clear edge
2.6
1.6

Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
55
100
Break points saved·Even
97
100
Break points won·Dominant
4
100
Deciding sets·Clear edge
78
100
Tiebreaks·Dominant
72
100

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

Umpiry Score

Pre-match
4.7
Heavy underdogUmpiry Score
8.9
Dominant favouriteUmpiry Score
Form & Matchup
0.0Hard Elo 1592
Surface ELO
10.0+671 Hard Elo edge
0.0Overall Elo 1628
ELO gap
10.0Overall Elo 2320
0.0
H2H
10.0
4.0
Surface form
8.3
0.0
Win streak
9.05-match win streak
Fatigue & Travel
9.1
Minutes 14d
3.7
7.0
3-set count
7.0
8.0
Prev. match
8.0
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·Dominant
91
51

Duckworth J.: 12 days rest · 2 matches (14d) · Sinner J.: 2 days rest · 3 matches, 109 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
29°CMainly clear
Wind 15 km/hHumidity 67%