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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kc6 win in 7 half-moves
5 Kcc8 win in 7 half-moves
6 Ra7 win in 9 half-moves
7 Kd6 draw
8 Kdc8 draw
9 Ra2 draw
10 Rb8 draw
11 Rc8 draw
12 Kcd7 loss in 2 half-moves
13 Kdd7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves