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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Ke7 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg6 draw
10 Rh8 draw
11 Kd6 loss in 6 half-moves
12 Kd8 loss in 4 half-moves
13 Ke6 loss in 4 half-moves
14 Ke8 loss in 4 half-moves
15 Rg5 loss in 4 half-moves
16 Rg7 loss in 4 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg4 loss in 1 half-moves