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 Kf7 draw
4 Ra8 draw
5 Rc8 draw
6 Re8 draw
7 Rg8 draw
8 Rh6 draw
9 Kd8 loss in 4 half-moves
10 Ke8 loss in 4 half-moves
11 Kf8 loss in 4 half-moves
12 Rh7 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 Rd8 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh5 loss in 1 half-moves