The search results do not provide specific information about how many balls are left in today's match for any particular sport or event. However, general information about tennis ball usage at Roland Garros 2025 indicates that tennis balls are changed every 9 games during matches, and approximately 5,000 balls are used per day during the tournament, which lasts about three weeks

. For cricket or other sports matches happening today, there is no direct data on the number of balls remaining. If you specify the sport or match you are referring to, I may be able to provide more precise information.