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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Kb6 win in 5 half-moves
3 Rb5 win in 5 half-moves
4 Kb4 win in 9 half-moves
5 Kb5 win in 9 half-moves
6 Kcc6 draw
7 Kcd6 draw
8 Kdc6 draw
9 Kdd6 draw
10 Ke5 draw
11 Ke6 draw
12 Ra7 draw
13 Ra8 draw
14 Kcc4 loss in 2 half-moves
15 Kcd4 loss in 2 half-moves
16 Kdc4 loss in 2 half-moves
17 Kdd4 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves