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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Kb7 win in 5 half-moves
3 Kb8 win in 5 half-moves
4 Ra6 win in 5 half-moves
5 Ra8 win in 5 half-moves
6 Rb7 win in 5 half-moves
7 Kcc6 draw
8 Kcc8 draw
9 Kcd8 draw
10 Kdc6 draw
11 Kdc8 draw
12 Kdd8 draw
13 Ke7 draw
14 Ke8 draw
15 Ra1 draw
16 Ra2 draw
17 Kcd6 loss in 2 half-moves
18 Kdd6 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves