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

EGTB: draw

# move score
1 Kb3 draw
2 Kc3 draw
3 Kd3 draw
4 Kd4 draw
5 Kd5 draw
6 Kb4 loss in 34 half-moves
7 Kb5 loss in 26 half-moves
8 Kc5 loss in 24 half-moves