Vienna – The top favorites Stefanos Tsitsipas and Alexander Zverev are in the round of 16 at the Erste Bank Open of tennis professionals. On Tuesday, the top seeded Tsitsipas prevailed against the Bulgarian Grigor Dimitrov 7: 6 (6), 6: 4 on the center court of the Wiener Stadthalle, the second-ranked Zverev followed with a 6: 2.7: 5 against the Serb Filip Krajinovic . The next opponents of the two are the US qualifier Frances Tiafoe and the Australian Alex de Minaur.
