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

EGTB: win in 4 half-moves

# move score
1 Kab7 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Ka6 draw
4 Kab8 draw
5 Kcb8 draw
6 Rb8 draw
7 Kc7 loss in 2 half-moves
8 Kcb7 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Kd8 loss in 2 half-moves