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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rg8 win in 3 half-moves
3 Re8 win in 7 half-moves
4 Ra2 draw
5 Ra4 draw
6 Ra5 draw
7 Ra6 draw
8 Rd8 draw
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Kg8 loss in 2 half-moves
19 Kh7 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves