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 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Ke1 draw
9 Ke2 draw
10 Ke6 draw
11 Ke8 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra4 draw
16 Ra7 draw
17 Rc8 draw
18 Rd8 draw
19 Re8 draw
20 Kf6 loss in 2 half-moves
21 Kf7 loss in 2 half-moves
22 Kf8 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves