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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kf7 draw
3 Kg7 draw
4 Ra7 draw
5 Rc7 draw
6 Rh5 draw
7 Rh6 loss in 8 half-moves
8 Kf5 loss in 2 half-moves
9 Kf6 loss in 2 half-moves
10 Kg5 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Kh6 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh8 loss in 2 half-moves