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

EGTB: win in 8 half-moves

# move score
1 Kc7 win in 7 half-moves
2 Kab8 draw
3 Kb6 draw
4 Kc6 draw
5 Kc8 draw
6 Ka6 loss in 2 half-moves
7 Kbb8 loss in 2 half-moves
8 Ra1 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves