James Duckworth vs Jason KublerSydney CH Semi-final

Sydney CH · CHALLENGER · Semi-final
#79ATP
1628ELO
1592Hard ELO
$485kYTD
$5.4MCAREER
34 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLLWLWLL
2 — 0
Sets
Monday, 17 November 2025
hard
#465ATP
1685ELO
1635Hard ELO
33 yrs · 178 cm · Right-handed
Last 10 · pre-match
WWWWWWWLLW
Duckworth J.
7-5 6-2
Kubler J.
Duckworth J.
762
Kubler J.
520

James Duckworth defeated Jason Kubler 7-5 6-2 in the Sydney CH semi-final on hard. The result followed the form book — James Duckworth came in ranked #79. James Duckworth extended the head-to-head to 2–1.

Key context

Head to head

11
DateTournamentRoundSurfaceWinnerScore
2022-07-11NewportQFgrassJason Kubler7-5 7-6(3)
2018-07-30WashingtonR32hardJames Duckworth1-6 6-2 7-6(5)

Serve vs return

This season
Duckworth J.serving85% hold

wins 66% of points on serve vs Kubler J.

Kubler J.serving89% hold

wins 69% 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.Kubler J.
25
Serve
23
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
57%
62%
1st serve points won·Even
76%
75%
2nd serve points won·Even
54%
52%
Service points won·Even
66%
66%
Return points won·Even
36%
39%
Break points saved·Slight edge
66%
60%
Aces / match·Even
7.2
6.7
Double faults / match·Slight edge
2.9
2.5

Averages over each player's completed matches in the selected window (103 vs 38). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Slight edge
54
59
Break points saved·Slight edge
97
90
Break points won·Dominant
4
46
Deciding sets·Even
78
79
Tiebreaks·Dominant
72
37

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

Umpiry Score

Pre-match
5.0
Heavy underdogUmpiry Score
  • Recent retirement (−1.5)
5.9
Even matchUmpiry Score
Form & Matchup
4.6Hard Elo 1592
Surface ELO
5.4+43 Hard Elo edge
4.6Overall Elo 1628
ELO gap
5.4Overall Elo 1685
5.0
H2H
5.0
7.0
Surface form
3.8
Win streak
0.0Lost last 4
Fatigue & Travel
2.2
Minutes 14d
8.5
4.0
3-set count
7.0
9.0
Prev. match
7.0
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·
83

Duckworth J.: 8 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast