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

EGTB: win in 4 half-moves

# move score
1 Rh7 win in 3 half-moves
2 Rh8 win in 5 half-moves
3 Ra1 draw
4 Rb1 draw
5 Rf1 draw
6 Rh4 draw
7 Rh5 draw
8 Rh6 draw
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kcc7 loss in 2 half-moves
12 Kcd7 loss in 2 half-moves
13 Kdc7 loss in 2 half-moves
14 Kdd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves