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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kc6 win in 1 half-moves
3 Ra3 win in 1 half-moves
4 Ra7 win in 1 half-moves
5 Ra8 win in 1 half-moves
6 Ka4 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ka6 loss in 1 half-moves
13 Kc5 loss in 1 half-moves
14 Ra6 loss in 1 half-moves