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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Ka1 draw
3 Kd1 draw
4 Re7 draw
5 Rf7 draw
6 Rg7 draw
7 Rh1 draw
8 Rh6 draw
9 Rh8 draw
10 Ka2 loss in 2 half-moves
11 Kbb2 loss in 2 half-moves
12 Kbc2 loss in 2 half-moves
13 Kcb2 loss in 2 half-moves
14 Kcc2 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves