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

EGTB: win in 8 half-moves

# move score
1 Kb5 win in 7 half-moves
2 Kc5 win in 7 half-moves
3 Kc8 win in 9 half-moves
4 Ra4 win in 9 half-moves
5 Rb8 win in 9 half-moves
6 Kc4 win in 11 half-moves
7 Kb3 win in 13 half-moves
8 Kc3 win in 13 half-moves
9 Ka3 draw
10 Ka4 draw
11 Ka5 draw
12 Ke8 draw
13 Ra1 draw
14 Rc8 draw
15 Kc7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves