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

EGTB: win in 6 half-moves

# move score
1 Kb8 win in 5 half-moves
2 Rb8 win in 13 half-moves
3 Kd8 win in 15 half-moves
4 Ka4 win in 23 half-moves
5 Kb3 win in 25 half-moves
6 Ka3 win in 29 half-moves
7 Ka5 draw
8 Kb5 draw
9 Kc3 draw
10 Kc4 draw
11 Kc5 draw
12 Ra4 draw
13 Kb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves