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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Rd3 draw
3 Re3 draw
4 Rf3 draw
5 Rg3 draw
6 Rh1 draw
7 Rh2 draw
8 Rh6 draw
9 Rh7 draw
10 Ka5 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 K6a7 loss in 1 half-moves
20 K6b7 loss in 1 half-moves
21 K8a7 loss in 1 half-moves
22 K8b7 loss in 1 half-moves