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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kcd7 win in 3 half-moves
4 Kd8 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Kc5 win in 7 half-moves
7 Kdc6 win in 7 half-moves
8 Kdd7 win in 7 half-moves
9 Ke6 win in 7 half-moves
10 Ke7 win in 7 half-moves
11 Ra8 win in 7 half-moves
12 Kb6 draw
13 Kcc6 draw
14 Rd8 draw
15 Rh8 draw
16 Kd5 loss in 2 half-moves
17 Ke5 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