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 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Ra7 win in 9 half-moves
6 Ka5 draw
7 Ka7 draw
8 Kc4 draw
9 Kc5 draw
10 Kc6 draw
11 Kd4 draw
12 Kd6 draw
13 Rc8 draw
14 Rd8 draw
15 Ke4 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves