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 Ra3 win in 3 half-moves
3 Kc5 win in 5 half-moves
4 Kc7 win in 5 half-moves
5 Ra4 win in 5 half-moves
6 Ra5 win in 5 half-moves
7 Rc7 win in 5 half-moves
8 Kc4 win in 7 half-moves
9 Rb7 win in 7 half-moves
10 Ra1 win in 9 half-moves
11 Ka3 draw
12 Ka4 draw
13 Kb3 draw
14 Kc3 draw
15 Ra2 draw
16 Ka5 loss in 8 half-moves
17 Kc6 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Kd8 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ke7 loss in 2 half-moves
23 Ke8 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Ra8 loss in 2 half-moves