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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kc7 win in 5 half-moves
4 Kd7 win in 5 half-moves
5 Ra7 win in 5 half-moves
6 Ka4 win in 9 half-moves
7 Kb4 win in 9 half-moves
8 Kc4 win in 9 half-moves
9 Ra3 win in 9 half-moves
10 Rb8 win in 9 half-moves
11 Kd8 win in 17 half-moves
12 Ka3 win in 27 half-moves
13 Kc3 win in 29 half-moves
14 Ra6 win in 29 half-moves
15 Ka2 draw
16 Kb2 draw
17 Kc2 draw
18 Ra1 draw
19 Ra2 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves