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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Kb4 win in 9 half-moves
4 Kc4 win in 9 half-moves
5 Ka4 win in 11 half-moves
6 Kc5 win in 13 half-moves
7 Rb8 win in 13 half-moves
8 Kc6 win in 15 half-moves
9 Ka5 win in 17 half-moves
10 Kc8 win in 21 half-moves
11 Ke8 win in 21 half-moves
12 Ka6 win in 27 half-moves
13 Ra3 draw
14 Ra5 draw
15 Kc7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves