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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rh5 win in 3 half-moves
3 Ka2 win in 5 half-moves
4 Ka5 draw
5 Ra1 draw
6 Rc1 draw
7 Rg1 draw
8 Rh6 draw
9 Rh7 draw
10 Rh8 draw
11 K3b3 loss in 2 half-moves
12 K3b4 loss in 2 half-moves
13 K4b3 loss in 2 half-moves
14 K4b4 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh3 loss in 2 half-moves
22 Rh4 loss in 2 half-moves