Kalksburg Challenger KAT 1 2018 Draw Singles (Qualification) Sinai Gregor Keller Emily Gonzalez Sergio Sagasser Lukas Dworzak Nikolaus Fuchs Tonio Brusic Igor Ashkar Amin Keller Emily 6:17:5 Sagasser Lukas 6:45:1ret. Dworzak Nikolaus 6:32:66:4 Ashkar Amin 6:06:1