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