Jan 7 (OPTA) - Results from the WTA Premier, Brisbane Women's Singles matches on Monday .. 1st Round .. Danielle Collins (USA) beat 4-Elina Svitolina (UKR) 6-1 6-1 Samantha Stosur (AUS) beat Angelique Kerber (GER) 7-6(5) 7-6(4) Sofia Kenin (USA) beat Anastasija Sevastova (LAT) 7-6(1) 6-4 Barbora Strycova (CZE) beat 7-Johanna Konta (GBR) 6-2 3-6 6-3 Alison Riske (USA) beat Karolina Muchova (CZE) 6-4 6-2 Ajla Tomljanovic (AUS) beat Priscilla Hon (AUS) 6-2 4-6 6-4