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

EGTB: win in 2 half-moves

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