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 Kf7 draw
5 Rd8 draw
6 Re8 draw
7 Rg6 draw
8 Rh8 draw
9 Ke6 loss in 6 half-moves
10 Kf6 loss in 6 half-moves
11 Kf8 loss in 6 half-moves
12 Kd8 loss in 4 half-moves
13 Ke8 loss in 4 half-moves
14 Rg3 loss in 4 half-moves
15 Rg4 loss in 4 half-moves
16 Rg5 loss in 4 half-moves
17 Rg7 loss in 4 half-moves
18 Ra8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves