They narrowly won the first set, led 7:1 in the second - and still lost. The difference in class only then became visible and the German pairing of Jones Ralf Jansen/Kilasu Ostermeyer then showed their international class and clearly dominated the match in the end.
On Tuesday, more Swiss players will be in action at 09.00. There is livestreaming from all four courts.
Swiss Open 2021 (live)