The First Test of the 1948 Ashes series was one of five Tests in The Ashes cricket series between Australia and England. The match was played at Trent Bridge in Nottingham from 10 to 15 June with a rest day on 13 June 1948. Australia won the match by eight wickets to take a 1–0 series lead.
The Australians started the match as firm favourites, having won the previous series against England 3–0; in the lead-up to the 1948 series, they had won 10 of their 12 tour matches in England, mostly by large margins. This included a crushing innings defeat in a match over the Marylebone Cricket Club—a team consisting almost entirely of Test-capped and current England players. England captain Norman Yardley won the toss and elected to bat on a cloudy day. After the first morning was interrupted by inclement weather, the Australian fast bowlers quickly made inroads into the English batting. Despite the loss of leading Australian paceman Ray Lindwall with a groin injury, the hosts had difficulty against his colleagues and fell to be 74 runs for the loss of eight wickets (74/8). However, a rearguard action by tail-enders Alec Bedser and Jim Laker saw England reach 165, Bill Johnston taking five wickets for 36 runs (5/36) for Australia, while compatriot Keith Miller took 3/38. Laker top-scored for the hosts with 63. The tourists then reached 17 without loss by stumps.