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

EGTB: win in 6 half-moves

# move score
1 Rd8 win in 5 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kc4 draw
9 Kc5 draw
10 Kc6 draw
11 Kc7 draw
12 Kd7 draw
13 Kd8 draw
14 Re1 draw
15 Re2 draw
16 Re3 draw
17 Re7 draw
18 Kb4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves