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 Ra4 draw
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Rh1 draw
7 Rh5 draw
8 Rh6 draw
9 Rh8 draw
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Kee7 loss in 2 half-moves
13 Kef7 loss in 2 half-moves
14 Kfe7 loss in 2 half-moves
15 Kff7 loss in 2 half-moves
16 Kg7 loss in 2 half-moves
17 Kg8 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves