Joe Louis KOs Charley Retzlaff This Day January 17, 1936
- Joe Louis 199¾ lbs
- Charley Retzlaff 198½ lbs
- KO at 1:25 in round 1 of 10
- Location: Chicago Stadium, Chicago, Illinois, USA
- Referee: Phil Collins
Louis floored Retzlaff twice.
There was a crowd of 16,486.
Gross gate receipts were $67,826.66.