Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Kc4 loss in 2 half-moves
3 Kc6 loss in 2 half-moves
4 Kd4 loss in 2 half-moves
5 Kd5 loss in 2 half-moves
6 Kd6 loss in 2 half-moves
7 Ra8 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rc6 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Kb4 loss in 1 half-moves
16 Kb5 loss in 1 half-moves
17 Kb6 loss in 1 half-moves