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

EGTB: win in 8 half-moves

# move score
1 Kb7 win in 7 half-moves
2 Kc7 win in 7 half-moves
3 Kcb5 win in 7 half-moves
4 Kd7 win in 7 half-moves
5 Rb5 win in 7 half-moves
6 Rb7 win in 7 half-moves
7 Kb3 win in 9 half-moves
8 Kd6 win in 11 half-moves
9 Rb8 win in 13 half-moves
10 Kbb5 draw
11 Kcc5 draw
12 Ka3 loss in 2 half-moves
13 Ka4 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Kbc5 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves