In Test cricket, the record for the most extras conceded in a single match is 173, during the game between the West Indies and Pakistan in Bridgetown from February 18 to 23, 1977. The breakdown was 37 byes, 31 leg byes, 2 wides, and a staggering 103 no-balls. ESPN Cricinfo
In One Day Internationals (ODIs), the highest number of extras in a match is 59. This occurred during a game between Pakistan and the West Indies in 1989, where the extras included 24 byes, 11 leg byes, 12 wides, and 12 no-balls.
In Twenty20 Internationals (T20Is), the record stands at 28 extras, conceded by Pakistan against Scotland in 2018, comprising 4 byes, 2 leg byes, 12 wides, and 10 no-balls.
These instances highlight how extras can significantly impact a game's outcome, emphasizing the importance of disciplined bowling and fielding in cricket.