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 Rc8 win in 3 half-moves
6 Ka7 win in 7 half-moves
7 Kc7 win in 7 half-moves
8 Kc8 win in 9 half-moves
9 Kd8 win in 9 half-moves
10 Ra7 win in 9 half-moves
11 Ka5 draw
12 Kc6 draw
13 Kd6 draw
14 Ke7 draw
15 Ke8 draw
16 Rd8 draw
17 Re8 draw
18 Ke6 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