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

EGTB: win in 2 half-moves

# move score
1 Rh3 win in 1 half-moves
2 Ra2 draw
3 Rb2 draw
4 Rc2 draw
5 Rd2 draw
6 Rh1 draw
7 Rh5 draw
8 Rh6 draw
9 Rh7 draw
10 Rh8 draw
11 K7b8 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 K7b7 loss in 1 half-moves
15 K8b7 loss in 1 half-moves
16 K8b8 loss in 1 half-moves
17 Re2 loss in 1 half-moves
18 Rf2 loss in 1 half-moves
19 Rg2 loss in 1 half-moves
20 Rh4 loss in 1 half-moves