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 Rd8 win in 3 half-moves
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke7 draw
8 Ke8 draw
9 Kc6 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kf8 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Kh7 loss in 2 half-moves
17 Kh8 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves