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

EGTB: win in 2 half-moves

# move score
1 Ka4 win in 1 half-moves
2 Kc4 win in 1 half-moves
3 Rc8 win in 3 half-moves
4 Kc8 win in 9 half-moves
5 Ka5 win in 13 half-moves
6 Kc5 win in 13 half-moves
7 Ke8 win in 15 half-moves
8 Ra8 win in 15 half-moves
9 Kb6 win in 17 half-moves
10 Ka6 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Kb4 loss in 1 half-moves