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 Rh6 win in 3 half-moves
4 Ka3 draw
5 Ka6 draw
6 Ra1 draw
7 Rc1 draw
8 Rg1 draw
9 Rh7 draw
10 Rh8 draw
11 K4b4 loss in 2 half-moves
12 K4b5 loss in 2 half-moves
13 K5b4 loss in 2 half-moves
14 K5b5 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb6 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