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 Kd7 draw
3 Ke8 draw
4 Kf7 draw
5 Kf8 draw
6 Rc8 draw
7 Re8 draw
8 Rg1 draw
9 Rg5 draw
10 Rg7 draw
11 Rh8 draw
12 Kd8 loss in 4 half-moves
13 Kd6 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg6 loss in 2 half-moves