The 4th edition of the Red Bull Bassline returned to Vienna on October 18th and mark the start of a great week of tennis in Vienna and serving a good preparation for the ATP tournament early next week. This event turned the tennis scene upside down and the familiar "Quiet please" became a clear "No, thanks"! World's best players - Alexander Zverev (GER), Alexei Popyrin (AUS), Kei Nishikori, Flavio Cobolli (ITA), Matteo Berrettini (ITA) and the young Austrian tennis talent Joel Schwärzler - competed against each other in this fast-paced tournament. Germany's Alexander Zverev wins the fourth...