AGATHANo gut feelings
Jason KublerPhoto: si.robi, CC BY-SA 2.0, via Wikimedia Commons (cropped)

TennisATPRight-handed

Jason Kubler

AustraliaAge and results

Jason Kubler is a tennis player on the ATP Tour who reached a career-high ranking of No. 63 on April 24, 2023.

73 ATP Tour matches

Updated

About Jason Kubler

Jason Kubler is a tennis player on the ATP Tour. Born on May 19, 1993, in Brisbane, Queensland, Australia, he plays right-handed with a two-handed backhand. Kubler turned pro in 2011. His coaches are Andrew Harris, Jarrad Bunt, Hayden Bishop, Joel Hennessy and Stephen Huss. He reached a career-high ATP Tour ranking of No. 63 on April 24, 2023.

Match history73

Every ATP Tour, Grand Slam and Olympic main-draw match in our records, newest first. A walkover is listed but never counted in a record.

2026: 3-1

DateTournamentRoundOpponentResultScoreSurface
Jan 18Australian OpenRound 1Frances TiafoeL6-7(4), 3-6, 2-6Hard
Jan 15Australian OpenQualifying FinalAlexander BlockxW3-6, 6-3, 1-0 ret. (ret.)Hard
Jan 14Australian OpenQualifying 2nd RoundVilius GaubasW7-5, 6-2Hard
Jan 12Australian OpenQualifying 1st RoundHarold MayotW6-3, 6-4Hard

How he is doing nowThrough Jan 18

2026 record0-1hard 0-1
Last 106-4LWWWLWLWWLNewest first. Lost his last match.

CareerPro since 2011

15years2011 to 2026
  1. 2010First ATP matchLost to Ivan Ljubicic, Australian Open
  2. 2023Career high No. 63Apr 24, 2023
  3. Jan 18, 2026Latest matchLost to Frances Tiafoe, Australian Open

Grand Slam titles

AO0Round 2 (2023)1-7 in our records
RG0Round 2 (2023)3-3 in our records
WIM0Round 4 (2022)6-4 in our records
USO0Round 2 (2022)2-4 in our records

First ATP match

Jan 17, 2010: lost to Ivan Ljubicic 1-6, 2-6, 2-6Australian Open, on hard

Latest match

Jan 18, 2026: lost to Frances Tiafoe 6-7, 3-6, 2-6Australian Open, Round 1, on hard court

Most often against

The players he has met most in our records, with the head-to-head.

Frances Tiafoe4 meetings
0-4Kubler trails

Last: Jan 18, 2026, Australian Open Round 1, lost

Aslan Karatsev2 meetings
2-0Kubler leads

Last: Jan 2, 2024, Brisbane International Round 1, won

1-1All square

Last: Jan 14, 2024, Australian Open Round 1, lost

Denis Istomin2 meetings
0-2Kubler trails

Last: May 21, 2014, ATP Power Horse Cup, lost

Dusan Lajovic2 meetings
0-2Kubler trails

Last: Aug 13, 2023, Cincinnati Open Qualifying Final, lost

Sources and updates

Results and schedules come from Agatha's own records of the ATP Tour.

Updated Nov 12, 2026, 7:21 AM ET. Results and form refresh after every match; biography facts are checked weekly.