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 Ka8 draw
4 Kb5 draw
5 Kb6 draw
6 Kbb7 draw
7 Kbc7 draw
8 Kc5 draw
9 Kc8 draw
10 Kcb7 draw
11 Kcc7 draw
12 Rc8 draw
13 Re3 draw
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Re2 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 Re7 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves