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 Rd8 draw
6 Re8 draw
7 Rh5 draw
8 Rh6 draw
9 Ke6 loss in 6 half-moves
10 Kf6 loss in 6 half-moves
11 Rh3 loss in 6 half-moves
12 Kd8 loss in 4 half-moves
13 Ke8 loss in 4 half-moves
14 Kf8 loss in 4 half-moves
15 Rh7 loss in 4 half-moves
16 Kd6 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh4 loss in 2 half-moves