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 Ke7 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Rh6 draw
10 Kc8 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 Ke6 loss in 4 half-moves
13 Ke8 loss in 4 half-moves
14 Rh1 loss in 4 half-moves
15 Rh5 loss in 4 half-moves
16 Rh7 loss in 4 half-moves
17 Kc6 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh4 loss in 2 half-moves