 He replaced the injured Simon Kerrigan who would be monitored with the possibility of him joining the squad later on in the tour if his condition improved.In February 2019, Rayner attended a training camp with the German national cricket team, with the view to help Germany qualify via the Regional Finals of the 2018–19 ICC World Twenty20 Europe Qualifier group for the 2020 ICC T20 World Cup.In May 2019, he was named in Germany's squad for the Regional Finals of the 2018–19 ICC T20 World Cup Europe Qualifier tournament in Guernsey.