Ping-pong tables are mapped as https://www.openstreetmap.org/node/5528859809/ and https://www.openstreetmap.org/node/8347003369 since a while.
The bench is not visible on recent imagery (or local imagery from 2020), I've added it as https://www.openstreetmap.org/node/9956429942, it should be moved to the correct place...