Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Kb4 draw
2 Kc4 draw
3 Kd4 draw
4 Kd5 draw
5 Kd6 loss in 60 half-moves
6 Kb5 loss in 58 half-moves
7 Kb6 loss in 52 half-moves
8 Kc6 loss in 52 half-moves