Tiafoe was within touching distance of a second ATP tour title.
Djokovic put out of the top spot by the world no. 2.
Raducanu did not drop a single set against Fernandez.
Djokovic will play world no. 2 Medvedev in the final on Sunday.
"I just can't believe it," Raducanu told reporters.
Djokovic won 5-7, 6-2, 6-2, 6-3 against Berrettini.
The tennis crowd is seemingly turning on Naomi Osaka. The 23-year-old defending champ was booed multiple times during her matchup against Leylah...
Fernandez won 6-3, 3-6, 7-6(5) against Svitolina.
Rodgers advances to a fourth round match against Emma Raducanu on Monday.
Stephens said she was sent more than 2,000 messages of abuse following the match.