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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Rh7 loss in 6 half-moves
4 Rh5 loss in 4 half-moves
5 Kd6 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Ke6 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Kf6 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Ra2 loss in 1 half-moves
18 Rb2 loss in 1 half-moves
19 Re2 loss in 1 half-moves
20 Rf2 loss in 1 half-moves
21 Rg2 loss in 1 half-moves
22 Rh4 loss in 1 half-moves