Aliaksandra Sasnovich is the daughter of Natalia. The full name of her mother is unknown and also her father’s name is not known.
Aliaksandra came from a sporty family. Her mother played basketball while her father played hockey and tennis for 20 years on the senior circuit.
Aliaksandra Sasnovich started playing tennis at the age of nine, and her father introduced her to the sport. She stated that her favourite shot is backhand down the line, while her favourite surface is indoor hardcourt.
She has won eleven singles and seven doubles titles on the ITF Circuit. She has reached a Grand-Slam semifinal in doubles, at the 2019 US Open, together with Viktoria Kuzmova.
At the 2022 French Open, she defeated Emma Raducanu for the second time in eight months to advance to the third round at this Major for the first time in her career thus completing the third-round career set at all Grand Slams.