Kaja Juvan (born 25 November 2000) is a Slovenian tennis player who turned professional on 17 October 2016. Juvan has a career-high singles ranking of world No. 58, achieved on 6 June 2022, and peaked at No. 105 in the doubles rankings on 20 June 2022.
Juvan reached the third round of a Grand Slam championship at the 2021 Australian Open as a qualifier for the first time in her career, defeating 13th seed Johanna Konta in the first round, her first top-15 win, and Mayar Sherif in the second round. She lost to eventual Australian Open runner-up and 22nd seed, Jennifer Brady. As a result, she entered the top 100 at a career high of world No. 91, on 22 February 2021.
In June, she also reached the third round at Wimbledon where she defeated ninth seed Belinda Bencic in the first round, her second top-15 win for 2021, and French qualifier Clara Burel in the second round.
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (S) silver or (B) bronze Olympic/Paralympic medal; (NMS) not a Masters tournament; (NTI) not a Tier I tournament; (P) postponed; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.
Only main-draw results in WTA Tour, Grand Slam tournaments, Fed Cup/Billie Jean King Cup and Olympic Games are included in win–loss records.
^The first Premier 5 event of the year has switched back and forth between the Dubai Tennis Championships and the Qatar Total Open since 2009. Dubai was classified as a Premier 5 event from 2009–2011 before being succeeded by Doha for the 2012–2014 period. In 2015, Dubai regained its Premier 5 status while Doha was demoted to Premier status. The Premier 5 tournaments were reclassified as WTA 1000 tournaments in 2021.