Diana Schneider

Shnaider was born in Zhigulevsk to father Maxim and mother Yulia. Her father is a lawyer and former boxer of German descent, while her mother is an English teacher. Her family later moved to Tolyatti.

She began playing tennis at the age of four. At the age of eight, she began pursuing the sport seriously, training with coach Samvel Minasyan in Moscow. In 2022, she moved to the United States and enrolled at North Carolina State University, where she played college tennis for the NC State Wolfpack.

Shnaider's signature on-court look features a blue polka-dot bandana. She began wearing headscarves as a child to prevent sunburn, preferring them over caps and visors. She won the girls' doubles titles at the 2021 Wimbledon Championships, partnering Belarusian Kristina Dmitruk, and the 2022 Australian Open, partnering with American Clervie Ngounoue.

On the ITF Junior Circuit, Shnaider had a career-high combined ranking of No. 3, achieved on 13 December 2021.