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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Rh6 win in 3 half-moves
3 Rh7 win in 3 half-moves
4 Rh8 win in 3 half-moves
5 Ra2 draw
6 Rb2 draw
7 Rf2 draw
8 Rh3 draw
9 Rh4 draw
10 Ka5 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Kab7 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kcb7 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rg2 loss in 2 half-moves
24 Rh1 loss in 2 half-moves