Kimberly Birrell

Birrell was awarded a wild card into the doubles main draw of the 2014 Hobart International with compatriot Olivia Tjandramulia,[8] where they lost in the first round to second seeds Lisa Raymond and Zhang Shuai.

In November, Birrell was given wild cards to the two Bendigo Women's International tournaments. In her debut at a $50,000 ITF event, she defeated world number 351 Veronika Kapshay in straight sets.[9]

In 2015, Birrell was awarded a qualifying wild card into the 2015 Hobart International, but lost to Vitalia Diatchenko in straight sets. She was then given a wild card for the 2015 Australian Open qualifying event, where she fell to Kateryna Bondarenko in three sets. She also made her Grand Slam main draw debut by getting one of seven team wildcards in women's doubles alongside Priscilla Hon, but lost to the fifth seeds Raquel Kops-Jones and Abigail Spears.[10]

In March, Birrell qualified for and made the first ITF final of her career in Mildura, but lost to compatriot Alison Bai 3–6, 3–6. Birrell didn't play between April–September, but returned to Australia to play in Tweed Heads, Cairns, Toowoomba, Brisbane and Canberra. Her best results were a final in Brisbane and semi-final in Canberra. She finished the year with a ranking of 361.

Birrell was awarded a wild card into the qualifying rounds of the 2016 Brisbane International, but lost to eventual main draw semi-finalist Samantha Crawford. Birrell made her WTA Tour debut after being awarded a wild card into the main draw at the 2016 Hobart International. She won 6–4, 6–3 against world No.57 Danka Kovinic from Montenegro.[11] She lost in round two to Dominika Cibulková. In the same tournament, she partnered Jarmila Wolfe in the doubles where they made the final. On January 12, Birrell was awarded a wild card into the 2016 Australian Open [12] but lost in round one to 9th seed Karolína Plíšková, 4–6, 4–6. In February, Birrell made her Fed Cup debut against Dominika Cibulkova. She lost 3–6, 1–6. Shortly after, Birrell suffered a right elbow injury, sidelining her for the rest of the year.[13] Birrell ended 2016 with a ranking of 584.

Birrell and her doubles partner, Priscilla Hon, were given a wildcard into the 2017 Australian Open, losing in the first round to Samantha Stosur and Zhang Shuai. Six months later, on July 15, Birrell and doubles partner Caroline Dolehide made the final of the ITF tournament in Winnipeg, Manitoba, Canada, losing to Hiroko Kuwata and Valeria Savinykh in two sets (a win would've marked Birrell's best win at an ITF tournament to date). The next week, in Gatineau, Canada, Birrell and her new doubles partner, Emily Webley-Smith of Great Britain, lost in the final to the same duo - Hiroko Kuwata and Valeria Savinykh - in a third set tiebreak 5–10. Birrell came back at the end of September with a run to the final in the Penrith Tennis International, losing to Olivia Rogowska[14] in two sets. The following week in Brisbane, Australia, Birrell won her first ITF singles title by beating American Asia Muhammad in a tight three sets.[15]

Birrell lost in the first round of qualifying in Brisbane, Sydney and the 2018 Australian Open. In August, she qualified for and reached her first quarter final of the year at the Koser Jewelers Tennis Challenge in Landisville, USA. In September, Kimberly reached the quarter final in the ITF's Cairns Tennis International before winning her second career ITF singles title in the 2018 Darwin Tennis International, where she also reached the final of the doubles. In December 2018, she won the Australian Open Australian Women's Wildcard Playoffs. She ended 2018 with a singles ranking of 285.

Birrell commenced 2019 with a wild card into the Brisbane International, where she claimed her first top 10 win over Daria Kasatkina.[16] At the Australian Open Birrell had defeated Paula Badosa Gibert in round 1[17] earning her first Grand Slam main draw win before upsetting the 29th seed Donna Vekić in the 2nd round, where she had set up a 3rd round match against the three time major champion and 2nd seeded Angelique Kerber, where she lost in straight sets.

Birrell made her Fed Cup debut for Australia in February 2016 against Slovakia at the age of 17.[18] She was selected to compete against Dominika Cibulkova in the live fourth rubber of the tie and was defeated 6–3, 6–1.