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 Kc7 win in 5 half-moves
3 Kd6 win in 9 half-moves
4 Kd7 win in 9 half-moves
5 Kf6 win in 9 half-moves
6 Rc8 win in 9 half-moves
7 Rh8 win in 11 half-moves
8 Kb5 draw
9 Kb6 draw
10 Kb7 draw
11 Ra8 draw
12 Rg8 draw
13 Kc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves