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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Kf4 draw
8 Kf5 draw
9 Kf6 draw
10 Kg4 draw
11 Kg6 draw
12 Kh4 draw
13 Kh5 draw
14 Kh6 draw
15 Re8 draw
16 Rf8 draw
17 Rg8 draw
18 Rh8 draw
19 Kb6 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb8 loss in 2 half-moves