The Tokyo Metropolitan Government reported 1,278 new cases of the coronavirus in the Japanese capital on Tuesday, marking the second-highest figure.
The last time the daily tally topped 1,000 was on New Year's eve, when 1,337 people tested positive.
The latest daily figure was the highest for a Tuesday, and well exceeded the previous record of 856 marked a week ago. The total number of cases confirmed in Tokyo now stands at 64,752.
Tokyo officials say the number of seriously-ill patients reached 111, up three from the day before. The figure is the highest to date.