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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ra6 win in 3 half-moves
3 Kb5 win in 5 half-moves
4 Kb6 win in 5 half-moves
5 Rb5 win in 5 half-moves
6 Kc6 draw
7 Kcd5 draw
8 Kcd6 draw
9 Ke6 draw
10 Ked5 draw
11 Ked6 draw
12 Kf5 draw
13 Kf6 draw
14 Ra3 draw
15 Ra7 draw
16 Ra8 draw
17 Kb4 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kcd4 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ked4 loss in 2 half-moves
22 Kf4 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves