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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc7 draw
3 Kd6 draw
4 Kd8 draw
5 Ke7 draw
6 Ke8 draw
7 Ra6 draw
8 Ra7 draw
9 Rd8 draw
10 Rg8 draw
11 Rh8 draw
12 Kc8 loss in 8 half-moves
13 Kc6 loss in 6 half-moves
14 Ke6 loss in 4 half-moves
15 Ra5 loss in 4 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Ra4 loss in 1 half-moves