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 Rb8 win in 3 half-moves
3 Kb4 win in 5 half-moves
4 Kb3 win in 7 half-moves
5 Kb8 win in 13 half-moves
6 Ka5 win in 15 half-moves
7 Ka3 draw
8 Kb6 draw
9 Kb7 draw
10 Kc6 draw
11 Kc8 draw
12 Ra7 draw
13 Rc8 draw
14 Rh8 draw
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves