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

EGTB: win in 4 half-moves

# move score
1 Ke1 win in 3 half-moves
2 Kc3 loss in 54 half-moves
3 Kd3 loss in 54 half-moves
4 Kc2 loss in 50 half-moves
5 Kc1 loss in 44 half-moves
6 Kd1 loss in 44 half-moves
7 Ke2 loss in 2 half-moves
8 Ke3 loss in 2 half-moves