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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Kd6 draw
3 Kd7 draw
4 Kf7 draw
5 Ra6 draw
6 Rb8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Ke6 loss in 6 half-moves
11 Kd8 loss in 4 half-moves
12 Ke8 loss in 4 half-moves
13 Kf6 loss in 4 half-moves
14 Kf8 loss in 4 half-moves
15 Ra5 loss in 4 half-moves
16 Ra7 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Ra4 loss in 1 half-moves