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

EGTB: win in 6 half-moves

# move score
1 Rh8 win in 5 half-moves
2 Rc4 draw
3 Rd4 draw
4 Re4 draw
5 Rg4 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Rh7 draw
10 K7b7 loss in 2 half-moves
11 K7b8 loss in 2 half-moves
12 K8b7 loss in 2 half-moves
13 K8b8 loss in 2 half-moves
14 Ka6 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves