Iga Swiatek is on the longest WTA winning streak since Serena Williams won 27 matches in a row in 2015World number one Iga Swiatek extended her winning run to 26 matches with a quarter-final victory over Bianca Andreescu in the Italian Open.
Poland's Swiatek, the reigning champion in Rome, beat Andreescu 7-6 (7-2) 6-0.
She cruised through the second set after Canadian Andreescu had forced a tie-break from 5-3 down in the opener.
Swiatek, 20, is bidding for her fifth consecutive WTA title and will now face Belarusian Aryna Sabalenka in the semi-finals on Saturday.
Number three seed Sabalenka beat Amanda Anisimova for the first time in five meetings with 4-6 6-3 6-2 victory on Friday.
American Anisimova, 20, had ended Sabalenka's Madrid Open title defence in the first round of the tournament last month.
