Jang Su-Jeong has been playing in the ITF circuit due to her low ranking. She qualified for the 2022 Australian Open main draw, becoming the first South African to reach the main draw without a wild card since 2007.
Su-Jeong reached a career-high singles ranking of world number 120 in 2016. Her current sponsor is Yonex. She has earned $400,000 in her career.
Jang Su-Jeong has a racquet, clothing, and shoe sponsorship contract with Yonex.
Daria Kasatkina has switched to Artengo racquets. She is endorsing the Artengo TR990 POWER Pro. Recently, Gael Monfils also switched to Artengo racquets.
Artengo line of racquets are made by French sporting goods retailer Decathlon. The company operates in 57 countries and is the largest sporting goods retailer in the world.
Kasatkina was previously using Tecnifibre racquets. She continues to be sponsored by Adidas for her clothing and shoes.
Kasatkina reached the Top 10 in world rankings in 2018. In 2018, she reached the quarterfinals at the French Open and at Wimbledon. But she struggled with form in 2019 and 2020 but had a resurgence in 2021 when she won two singles titles.