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 Kb7 win in 3 half-moves
3 Ra7 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Re8 win in 3 half-moves
6 Ka7 win in 5 half-moves
7 Kb5 win in 5 half-moves
8 Kf7 win in 5 half-moves
9 Ke7 win in 11 half-moves
10 Kg7 win in 11 half-moves
11 Ka5 win in 17 half-moves
12 Kg6 win in 29 half-moves
13 Ke5 draw
14 Ke6 draw
15 Kf5 draw
16 Kg5 draw
17 Rc8 draw
18 Rd8 draw
19 Rf8 draw
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves