1916 – The Athletics set an American League record with their 19th loss in a row on the road (20th overall)‚ a 9 – 0 yawner to the Tigers. The streak began on July 25th‚ making it a record for losses in 2 weeks.

On August 8, 1916 — 1916 – The Athletics set an American League record with their 19th loss in a row on the road (20th overall)‚ a 9 – 0 yawner to the Tigers. The streak began on July 25th‚ making it a record for losses in 2 weeks.

Source:
Baseball Reference August 8
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game