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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Kcc7 win in 3 half-moves
6 Kd5 win in 3 half-moves
7 Ra5 win in 3 half-moves
8 Ra7 win in 3 half-moves
9 Rb6 win in 3 half-moves
10 Kcd7 win in 5 half-moves
11 Ke7 win in 5 half-moves
12 Ke8 win in 5 half-moves
13 Ra8 win in 13 half-moves
14 Kc8 draw
15 Kd6 draw
16 Kdc7 draw
17 Kdd7 draw
18 Ra4 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves