Jessica Pegula, who had lost her first two matches and was eliminated from semifinal contention, withdrew from her final match at the WTA Finals with a left knee injury.

Elena Rybakina defeats World No. 1 Aryna Sabalenka at the WTA Finals, and Jessica Pegula withdraws with a knee injury.

World number two Iga Swiatek will play Daria Kasatkina on Thursday in her must-win match to stay in the hunt for a spot in the WTA Finals semi-finals after Jessica Pegula withdrew from the tournament with a knee injury.

Jessica Pegula’s late season rally has ended with the world’s No. 6-ranked player withdrawing from the WTA Finals because of a left knee injury. Pegula, who earlier this year rose to a No. 3 world ranking after reaching the U.