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 Rb8 win in 3 half-moves
4 Kc8 win in 7 half-moves
5 Kb5 win in 9 half-moves
6 Kc5 win in 9 half-moves
7 Kcc7 draw
8 Kcd7 draw
9 Kd5 draw
10 Kd6 draw
11 Ra2 draw
12 Ra6 draw
13 Rc8 draw
14 Kdc7 loss in 2 half-moves
15 Kdd7 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra5 loss in 2 half-moves
22 Ra7 loss in 2 half-moves