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