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 Ra2 draw
3 Rc2 draw
4 Rd2 draw
5 Re2 draw
6 Rh3 draw
7 Rh4 draw
8 Rh5 draw
9 Rh6 draw
10 Rh8 draw
11 Kb7 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rh1 loss in 2 half-moves