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 Rb4 draw
4 Rc4 draw
5 Rd4 draw
6 Rh1 draw
7 Rh5 draw
8 Rh6 draw
9 Rh8 draw
10 Kb7 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Rh3 loss in 2 half-moves