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 Kb8 win in 3 half-moves
4 Kf6 win in 3 half-moves
5 Kf7 win in 3 half-moves
6 Rf8 win in 3 half-moves
7 Ke8 win in 5 half-moves
8 Kf8 win in 5 half-moves
9 Re8 win in 7 half-moves
10 Rg8 win in 11 half-moves
11 Rh8 win in 11 half-moves
12 Kcd6 draw
13 Kcd7 draw
14 Kcd8 draw
15 Ked6 draw
16 Ked7 draw
17 Ked8 draw
18 Rd8 draw
19 Kc6 loss in 2 half-moves
20 Ke6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb8 loss in 2 half-moves