Jason Kubler is the champion in Lexington, claiming his first ATP Challenger title since 2019. Guy Deschênes. Jason Kubler lifts the trophy in Gatineau, celebrating his fifth ATP Challenger Tour title. Tennis Australia. Jason Kubler lifts his third ATP Challenger Tour trophy in Playford, Australia. Tennis Australia/ JAMES GOURLEY. Zoe Hives, Alex de Minaur, Ajla Tomljanovic and Jason Kubler of Team Australia visit Campbell Cove, Sydney, ahead of the 2023 United Cup.

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