Here’s what the American Civil War Research Database shows on that date:
19th VA Infantry Regimental Casualty Analysis
Date Place Killed Wounded POW Missing
03/31/65 Fairgrounds Hospl, VA 0 0 1 0
03/31/65 Hatcher's Run, VA 2 13 11 0
03/31/65 Petersburg, VA 0 1 1 0