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 Kd1 draw
3 Kd2 draw
4 Kg1 draw
5 Ra1 draw
6 Ra6 draw
7 Ra7 draw
8 Rb8 draw
9 Rc8 draw
10 Re8 draw
11 Kee2 loss in 2 half-moves
12 Kef2 loss in 2 half-moves
13 Kfe2 loss in 2 half-moves
14 Kff2 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves