Defending champion Sebastian Baez stopped lucky loser Camilo Ugo Carabelli 3-6, 6-1, 6-1 to score his ninth straight Rio win and reach the final.
Andreeva becomes the youngest champion in Dubai history.
The Russian is the fourth player to win an ATP title after saving match points in the tournament in 2025.
Comesana produced magic down the stretch to improve to reach his first ATP semifinal.
Draper rallied from a set down for a second consecutive day in Doha.
Seventeen-year-old Mirra Andreeva won five straight games shocking Elena Rybakina 6-4, 4-6, 6-3 to make history as the youngest WTA !000 finalist.
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