The 21-year-old from Switzerland beat second seed Petra Kvitová in three sets.
Belinda Bencic's fairytale run in Dubai is complete.
She upset 2013 winner Kvitová 6-3, 1-6, 6-2 in the finals of the Dubai Duty Free Tennis Championships.
Earlier in the day it was number three seeds Barbora Strycova and Hsieh Su-wei who defeated Lucie Hradecka and Ekaterina Makarova to win their second doubles title together in the emirate.
Swiatek, Gauff through to Australian Open 2nd Round
World number two Iga Swiatek advanced to the second round of the Australian Open on Monday with an unconvincing 6-3 6-4 win against first-time opponent Katerina Siniakova on John Cain Arena.
Sinner survives tough test, Alcaraz eases through
Jannik Sinner launched his Australian Open title defence with a 7-6 7-6 6-1 win over Nicolas Jarry on Monday in a match that put the players' contrasting doping cases in the spotlight, while Carlos Alcaraz began his bid to complete a career Grand Slam with a 6-1 7-5 6-1 win over Kazakh Alexander Shevchenko.
DP World ILT20 Season 3 kicks off
The stage was set on Sunday for the highly anticipated return of the DP World ILT20 Season 3, promising to mesmerise cricket fans across the globe.
Amorim sees progress in Man Utd's shootout win at Arsenal
Manchester United boss Ruben Amorim said his team are still improving, as Sunday's dramatic FA Cup penalty shootout victory over Arsenal points to a more positive future after a difficult start to life at Old Trafford.
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