ITF W25 Bendigo | 03/05 00:00 | 28 | [213] Ellen Perez v Olivia Gadecki [250] | 1-6,2-6 | |
ITF W25 Bendigo | 03/03 23:00 | 27 | [212] Na-Lae Han v Olivia Gadecki [250] | 2-6,4-6 | |
ITF W25 Bendigo | 03/03 02:40 | 26 | [302] Moyuka Uchijima v Olivia Gadecki [250] | 0-6,4-6 | |
ITF W25 Bendigo | 03/02 01:00 | 25 | [441] Kimberly Birrell v Olivia Gadecki [250] | 3-6,6-3,5-7 | |
ITF W25 Canberra | 02/17 23:00 | 27 | [263] Olivia Gadecki v Jaimee Fourlis [314] | 7-6,3-6,4-6 | |
ITF W25 Canberra | 02/16 23:00 | 26 | [263] Olivia Gadecki v Paige Hourigan [442] | 6-2,6-2 | |
ITF W25 Canberra | 02/15 23:00 | 25 | [263] Olivia Gadecki v Kimberly Birrell [443] | 7-6,5-7,6-4 | |
ITF W25 Canberra | 02/11 00:30 | 27 | [374] Chihiro Muramatsu v Olivia Gadecki [263] | 3-6,7-6,7-6 | |
ITF W25 Canberra | 02/10 01:30 | 26 | [448] Paige Hourigan v Olivia Gadecki [263] | 4-6,6-3,4-6 | |
ITF W25 Canberra | 02/09 00:55 | 25 | Leann Serna v Olivia Gadecki | 3-6,3-6 | |
ITF W25 Hamburg | 10/19 12:55 | 25 | [232] Olivia Gadecki v Kathinka Von Deichmann [329] | 2-6,1-6 | |
ITF W25 Cherbourg | 10/06 12:00 | 25 | Olivia Gadecki v Lois Boisson | 4-6,2-6 | |
ITF W80 Le Neubourg | 10/01 18:10 | 27 | [240] Olivia Gadecki v Anna Bondar [146] | 4-6,6-1,6-7 | |
ITF W80 Le Neubourg | 09/30 09:45 | 26 | [240] Olivia Gadecki v Sarah Beth Grey [202] | 6-3,6-3 | |
ITF W80 Le Neubourg | 09/28 11:00 | 25 | [190] Lucrezia Stefanini v Olivia Gadecki [240] | 6-7,6-2,5-7 | |
ITF W60 Caldas da Rainha | 09/16 12:40 | 26 | [257] Olivia Gadecki v Anastasia Kulikova [360] | 6-2,4-6,4-6 | |
ITF W60 Caldas da Rainha | 09/15 11:50 | 25 | [257] Olivia Gadecki v Dalila Spiteri [436] | 4-6,6-1,6-1 | |
ITF W60 Caldas da Rainha | 09/13 09:30 | 54 | [325] Olivia Gadecki v Joanna Garland [470] | Retired | |
ITF W60 Caldas da Rainha | 09/12 09:00 | 54 | Olivia Gadecki v Luana Plaza Araujo | 6-1,6-1 | |
ITF W25 Leiria | 09/09 14:00 | 26 | [325] Olivia Gadecki v Francisca Jorge [414] | 4-6,6-0,2-6 | |
ITF W25 Leiria | 09/08 16:10 | 25 | [325] Olivia Gadecki v Risa Ushijima [479] | 6-0,6-0 | |
ITF W25 Vigo | 08/29 09:00 | 29 | [324] Olivia Gadecki v Yuriko L Miyazaki [302] | 6-2,6-4 | |
ITF W25 Vigo | 08/28 10:00 | 28 | Olivia Gadecki v Sakura Hosogi | 6-3,6-1 | |
ITF W25 Vigo | 08/27 10:30 | 27 | [255] Conny Perrin v Olivia Gadecki [347] | 0-6,3-6 | |
ITF W25 Vigo | 08/26 08:55 | 26 | [461] Angela Fita Boluda v Olivia Gadecki [347] | 4-6,3-6 | |
ITF W25 Vigo | 08/25 09:00 | 25 | [428] Haruna Arakawa v Olivia Gadecki [347] | 2-6,2-6 | |
ITF W25 Ourense | 08/21 12:10 | 28 | [347] Olivia Gadecki v Fanni Stollar [394] | 6-1,4-6,5-7 | |
ITF W25 Ourense | 08/20 16:00 | 27 | Olga Helmi v Olivia Gadecki | 6-4,4-6,3-6 | |
ITF W25 Ourense | 08/19 16:00 | 26 | Viktoria Morvayova v Olivia Gadecki | 2-6,3-6 | |
ITF W25 Ourense | 08/17 08:00 | 25 | [420] Ekaterina Yashina v Olivia Gadecki [348] | 1-6,0-6 |
Olivia Gadecki (; born 24 April 2002) is an Australian professional tennis player. She has a career-high singles ranking of world No. 120, reached on 15 January 2024, and a best doubles rank of world No. 77, achieved on 4 March 2024.
She made her WTA Tour debut at the 2021 Gippsland Trophy, having received a wildcard into the main draw.
Gadecki made her main-draw debut on the ITF Circuit in Brisbane, in September 2016.
In January 2021, Gadecki made the second round of the Australian Open qualifying. She was awarded a wild card into the Gippsland Trophy, where she made her WTA Tour main-draw debut.
In February, Gadecki won her first WTA Tour singles main-draw match at the Phillip Island Trophy. She followed this up with her first top-10 win, defeating the top seed, former Australian Open champion and world No. 4, Sofia Kenin. With Gadecki's career-high ranking being No. 988 in the world, this was Kenin's worst defeat by ranking on the WTA Tour. Gadecki lost in the third round. The following week, she re-entered the WTA rankings at No. 642. In May 2021, Gadecki won her first professional singles title in Turkey.
In August 2021, she won the singles and doubles titles at Vigo, Spain. It was her second singles title and fifth doubles title.
On 20 September 2021, Gadecki debuted in the Australian top 10 in singles and doubles rankings. She ended the year with a singles ranking of 238.
Gadecki did not enter the 2022 Australian Open due to the requirement for all players to be vaccinated against COVID-19
In April 2022, Gadecki broke into the top 200, after reaching three finals from four Australian Pro Tour appearances.
She made her debut at the Australian Open as a wildcard. She defeated Polina Kudermetova in the first round. As a result, her ranking climbed to No. 144, on 20 February 2023.