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