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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Kg8 draw
3 Kh8 draw
4 Rb2 draw
5 Rc2 draw
6 Rd2 draw
7 Rf2 draw
8 Rh3 draw
9 Rh4 draw
10 Rh5 draw
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kg6 loss in 2 half-moves
20 Kg7 loss in 2 half-moves
21 Kh6 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rh1 loss in 2 half-moves