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 Rb2 draw
3 Rd2 draw
4 Rf2 draw
5 Rh6 draw
6 Rh7 draw
7 Rh8 draw
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh4 loss in 2 half-moves