American tennis star Amanda Anisimova defeated world No. 1-ranked Aryna Sabalenka in three grueling sets to advance to the Wimbledon finals.

Follow along with Yahoo Sports for live updates, highlights and more from the Wimbledon women's singles semifinals: The No. 1 women's tennis player has fallen. Aryna Sabalenka fell to Amanda Anisimova in the Wimbledon semifinal on Thursday 6-4, 4-6, 6-4.

Amanda Anisimova has upset No. 1-ranked Aryna Sabalenka 6-4, 4-6, 6-4 at Wimbledon to reach the first Grand Slam final of her career a little more than a year after taking a break from tennis because of burnout.

Anisimova's talent has never been in doubt, but it's a physiotherapist who she credits for her deepest Grand Slam run in three years.

By Pritha Sarkar LONDON (Reuters) -A year after Amanda Anisimova's attempt to qualify for Wimbledon ended in failure, the American cradled her young nephew on Court One to celebrate a remarkable turnaround in fortunes as she reached the All England Club semi-finals for the first time.

Players and fans felt the impact of high temperatures at Wimbledon when Thursday’s semifinal match between top-ranked Aryna Sabalenka and Amanda Anisimova was delayed twice in the first set because of spectators feeling unwell.