[6] In May 2022, in the 2022 Inter-Provincial Cup, Adair scored his first century in List A cricket, with 108 runs against Munster Reds.
[7] In June 2016, Adair was named in Ireland's One Day International (ODI) squad for their series against Afghanistan, that took place the following month, but he did not play.
[10] In June 2019, Adair was named in the Ireland Wolves squad for their home series against the Scotland A cricket team.
[12] In July 2019, Adair was named in Ireland's Test squad for their one-off match against England at Lord's.
[16][17] In September 2019, Adair was named in Ireland's squad for the 2019 ICC T20 World Cup Qualifier tournament in the United Arab Emirates.
[25] In September 2021, Adair was named in Ireland's provisional squad for the 2021 ICC Men's T20 World Cup.