Doha: American Learner Tien claimed the Geneva Open title on Saturday by beating Argentina's Mariano Navone in three sets.
According to Qatar News Agency, the 20-year-old, ranked No. 20 in the world, came through 3-6, 6-3, 7-5 in two hours and 28 minutes.
The victory gave Learner Tien his second career title and first on clay.