In January 2021, USA Cricket named Singh in a 44-man squad to begin training in Texas ahead of the 2021 Oman Tri-Nation Series. In June 2021, he was selected to take part in the Minor League Cricket tournament in the United States following the players' draft. In August 2021, Singh was named in the United States' One Day International (ODI) squad for the rescheduled tri-series in Oman and their matches against Papua New Guinea. He made his ODI debut on 6 September 2021, for the United States against Papua New Guinea.
