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 Rb7 draw
3 Kf2 loss in 2 half-moves
4 Kf3 loss in 2 half-moves
5 Kf4 loss in 2 half-moves
6 Kgg4 loss in 2 half-moves
7 Kgh4 loss in 2 half-moves
8 Khg4 loss in 2 half-moves
9 Khh4 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Rh5 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Kgg2 loss in 1 half-moves
20 Kgh2 loss in 1 half-moves
21 Khg2 loss in 1 half-moves
22 Khh2 loss in 1 half-moves