James Duckworth vs Jason Kubler: Head-to-Head Record
James DuckworthAustraliaHead-to-head
Jason KublerAustralia5–1
Duckworth leads · 6 meetingsHard2–0Clay3–0Grass0–1
Duckworth leads
Hard2–0Clay3–0Grass0–1
James Duckworth and Jason Kubler have met 6 times on the professional tour. James Duckworth leads the head-to-head 5–1. Their most recent meeting came at Sydney CH in 2025.
How the two players compare today
James Duckworth vs Jason Kubler stats comparison
TodayDuckworthKubler
#64Official rank#540
1,856Elo1,872
5–5Last 107–3
35Serve—
8Return—
22Clutch18
James Duckworth vs Jason Kubler stats comparison
#64Official rank#540
1,856Elo1,872
5–5Last 107–3
35Serve—
8Return—
22Clutch18
Current form
Last 10 · most recent firstDuckworth5–5Streak L3
LLLWLWWWWL
Kubler7–3Streak W1
WLWWWWLWLW
Current form
Last 10 · newest first5–5Last 107–3
L3StreakW1
Duckworth
LLLWLWWWWL
Kubler
WLWWWWLWLW
Surface comparison
DuckworthKubler
1,856Elo1,872
59%Win % · 12M57%
44–30W–L · 12M8–6
5H2H1
Surface comparison
1,856Elo1,872
59%Win % · 12M57%
44–30W–L · 12M8–6
5H2H1
Serve vs return
Umpiry ratings · 12MDuckworth serve35vsKubler return—
Kubler serve—vsDuckworth return8
Not enough recent matches for Kubler’s Serve and Return ratings yet.
Serve vs return
Ratings · 12MDuckworth serve35vsKubler return—
Kubler serve—vsDuckworth return8
Not enough recent matches for Kubler’s Serve and Return ratings yet.
Clutch
Last 12 monthsDuckworthKubler
73%242 / 331Break points saved59%36 / 61
44%14–18Tiebreaks won0%0–1
60%12–8Deciding sets won50%1–1
Clutch
Last 12 months73%242 / 331Break points saved59%36 / 61
44%14–18Tiebreaks won0%0–1
60%12–8Deciding sets won50%1–1
Freshness
Duckworth · KublerLast match
todayShanghai Masters · R128vs243 days agoAUS vs ECU · RR
Matches · last 30 days
2vs0
Sets · last 14 days
2vs0
Freshness
todayShanghai Masters · R128Last match243 days agoAUS vs ECU · RR
2Matches · last 30 days0
2Sets · last 14 days0
Common opponents
0 common opponents · last 12 monthsNo common opponents in the last 12 months.
Common opponents
0 common opponents · last 12 monthsNo common opponents in the last 12 months.
All 6 meetings
Last 5 of 6All 6 meetings
Last 5 of 6Career titles00
Grand Slam titles00
Career-high rank#46—
Career W–L427–311213–142
Age3433
Height183 cm178 cm
PlaysRight-handedRight-handed
BackhandTwo-handedTwo-handed
CountryAustraliaAustralia
Turned pro2010—
Duckworth leads 5–1
6 meetingsDateTournamentRoundSurfaceWinnerScore
2022Duckworth 0–1
11 Jul 2022NewportQuarter-finalGrassKubler d. Duckworth7–5 7–62018Duckworth 1–0
30 Jul 2018WashingtonRound of 32HardDuckworth d. Kubler1–6 6–2 7–62013Duckworth 1–0
25 Mar 2013Australia F5ITFFinalClayDuckworth d. Kubler7–6(9) 6–22011Duckworth 1–0
15 Aug 2011Italy F23ITFQuarter-finalClayDuckworth d. Kubler6–4 6–36 meetings · Duckworth 5–1Walkovers are not counted
Duckworth leads 5–1
6 meetings6 meetings
2025Duckworth 1–0
Sydney CH · Semi-final17 Nov 2025Duckworth d. Kubler7–5 6–2Hard·Challenger2022Duckworth 0–1
Newport · Quarter-final11 Jul 2022Kubler d. Duckworth7–5 7–6Grass2019Duckworth 1–0
Anning CH · Round of 1615 Apr 2019Duckworth d. Kubler7–5 7–6Clay·Challenger2018Duckworth 1–0
Washington · Round of 3230 Jul 2018Duckworth d. Kubler1–6 6–2 7–6Hard2013Duckworth 1–0
Australia F5 · Final25 Mar 2013Duckworth d. Kubler7–6(9) 6–2Clay·ITF2011Duckworth 1–0
Italy F23 · Quarter-final15 Aug 2011Duckworth d. Kubler6–4 6–3Clay·ITFMore on Umpiry · about this comparison
Frequently asked
Who leads the head-to-head between James Duckworth and Jason Kubler?
James Duckworth leads the head-to-head against Jason Kubler 5–1 after 6 meetings.
How many times have James Duckworth and Jason Kubler played each other?
James Duckworth and Jason Kubler have played each other 6 times on the professional tour.
When did James Duckworth and Jason Kubler last play each other?
Their most recent meeting came at Sydney CH in 2025, where James Duckworth won.
How is the head-to-head record counted?
Every completed singles match between the two players counts once: tour level, Grand Slams, Challengers, ITF, team events and qualifying. Retirements count; walkovers do not.
What are the Serve, Return and Clutch ratings?
Umpiry ratings from 0 to 100: where a player ranks on tour over the last 52 weeks, adjusted for opponent strength. Clutch combines break points saved and converted, tiebreaks and deciding sets. A player with too few recent matches has no rating yet.
Why is there no win probability here?
This page compares the two players. The chance to win a specific match, with its surface, round and conditions, is on that match’s detail page.