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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kb7 win in 7 half-moves
3 Kc7 win in 7 half-moves
4 Kcd6 win in 7 half-moves
5 Kcd7 win in 7 half-moves
6 Ra8 win in 7 half-moves
7 Rc8 win in 7 half-moves
8 Kb5 draw
9 Kb6 draw
10 Kc5 draw
11 Ke6 draw
12 Rd8 draw
13 Rh8 draw
14 Kd5 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ked6 loss in 2 half-moves
17 Ked7 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves