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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Kc3 win in 1 half-moves
3 Kd3 win in 1 half-moves
4 Kc5 loss in 32 half-moves
5 Kb4 loss in 30 half-moves
6 Kb5 loss in 28 half-moves
7 Kd4 loss in 2 half-moves
8 Kd5 loss in 2 half-moves