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 Ka7 draw
3 Kab7 draw
4 Kab8 draw
5 Re8 draw
6 Rf8 draw
7 Rg8 draw
8 Rh8 draw
9 Kb6 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kcb7 loss in 2 half-moves
12 Kcb8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves