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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Rh8 loss in 6 half-moves
3 Ka7 loss in 4 half-moves
4 Ka8 loss in 4 half-moves
5 Kb8 loss in 4 half-moves
6 Kc7 loss in 4 half-moves
7 Kc8 loss in 4 half-moves
8 Rh6 loss in 4 half-moves
9 Ka6 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves