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 Kb6 draw
3 Kb7 draw
4 Kc6 draw
5 Kd6 draw
6 Kd7 draw
7 Ra5 draw
8 Ra6 draw
9 Ra7 draw
10 Rc8 draw
11 Re8 draw
12 Rf8 draw
13 Kb8 loss in 24 half-moves
14 Ra3 loss in 20 half-moves
15 Kc8 loss in 8 half-moves
16 Kd8 loss in 6 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves