A history-making has played out at the Australian Open that left a host of tennis fans seeing double. Melbourne Park witnessed a groundbreaking event as twin sisters Annika and Kristina Penickova from the United States triumphed over Czech siblings Alena and Jana Kovackova in the junior doubles semifinals this week.
![[Both sets of siblings also wore the same colours as each other, leaving fans seeing double]](https://i.dailymail.co.uk/1s/2025/01/23/23/94458633-14319583-image-a-18_1737676374720.jpg)
Adding to the moment, both sets of siblings wore the same clothes as each other. And the Penickova sisters may represent the United States, but they have Czech heritage as well. 'Not many times we tend to see two whole pairs of siblings play against each other,' one fan commented.
![[Annika and Kristina Penickova also have Czech heritage, despite competing for the United States]](https://i.dailymail.co.uk/1s/2025/01/24/04/94458631-14319583-Annika_and_Kristina_Penickova_also_have_Czech_heritage_despite_c-a-50_1737691598706.jpg)
'This is tennis heritage,' added another. 'How often do you see this happening in the sporting world?' asked another. Neverovatna scena na Australijan Džunior Openu gde su bliznakinje Alena i Jana Kovačkova odigrale meč protiv drugog para bliznakinja, Anike i Kristine Peničkove.Oba para identičnih bliznakinja bile su potpuno isto obučene za meč 😨🎾 pic.twitter.com/9MAaUKB1GL.
![[Serena and Venus Williams were both incredible singles players, and doubles players as well]](https://i.dailymail.co.uk/1s/2025/01/24/04/94458675-14319583-Serena_and_Venus_Williams_were_both_incredible_singles_players_a-a-51_1737691598789.jpg)
Twin sisters Annika and Kristina Penickova from the United States played Czech siblings Alena and Jana Kovackova at the Australian Open. Both sets of siblings also wore the same colours as each other, leaving fans seeing double. Annika and Kristina Penickova also have Czech heritage, despite competing for the United States.
![[The Bryan brothers are the greatest male siblings to play doubles on the world tennis tour]](https://i.dailymail.co.uk/1s/2025/01/23/23/94458699-14319583-image-a-21_1737676399589.jpg)
This match is believed to be the first instance in Grand Slam history where siblings have played against twins in a doubles competition. The Penickova twins, both 15 years old, ultimately secured victory and passage to the final in a three-set thriller, prevailing 5-7, 6-1, 11-9.
![[Andy Murray has competed with his brother Jamie before and could come out of retirement to play doubles again at Wimbledon]](https://i.dailymail.co.uk/1s/2025/01/24/04/94458641-14319583-Andy_Murray_has_competed_with_his_brother_Jamie_before_and_could-a-49_1737691598206.jpg)
