James Duckworth vs Jason Kubler Head to Head
- Age
- James Duckworth: 34
- Jason Kubler: 33
- Height
- James Duckworth: 6'0" (183cm)
- Jason Kubler: 5'10" (178cm)
- Weight
- James Duckworth: 181lbs (82kg)
- Jason Kubler: 163lbs (74kg)
- Plays
- James Duckworth: Right-handed
- Jason Kubler: Right-handed
- Backhand
- James Duckworth: Two-handed
- Jason Kubler: Two-handed
- Turned pro
- James Duckworth: 2010
- Jason Kubler: 2011
Avg total23.0
Last metNov 2025
Head-to-head counts meetings since 2011
James Duckworth leads Jason Kubler 5–1 in their head-to-head. Duckworth has won all three of their clay meetings. They last met at the 2025 Sydney Challenger semifinal, which Duckworth won 7-5 6-2. Their completed meetings average 23.0 games.
Signal breakdown· James Duckworth first
- Hard2–0
Duckworth leads · 2 meetings
- Clay3–0
Duckworth leads · 3 meetings
- Straight-sets wins4–1
Duckworth leads · 5 meetings
Every meeting· 6 on record · 4 tour-level
- Duckworth won7-56-2Sydney Challenger· Hard· SF· Challenger· Nov 2025
- Kubler won5-76-7(3)Hall of Fame Open - Newport· Grass· QF· ATP 250· Jul 2022
- Duckworth won7-57-6(5)Anning Challenger· Clay· 3rd round· Challenger· Apr 2019
- Duckworth won1-66-27-6(5)Citi Open - Washington· Hard· 2nd round· ATP 500· Jul 2018
- Duckworth won7-6(9)6-2Australia F5· Clay· Final· ITF· Mar 2013
- Duckworth won6-46-3Italy F23· Clay· QF· ITF· Aug 2011