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 Rg2 win in 3 half-moves
3 Rg3 win in 3 half-moves
4 Kb1 win in 5 half-moves
5 Kb2 win in 5 half-moves
6 Kb3 win in 5 half-moves
7 Ka1 win in 7 half-moves
8 Kg3 win in 13 half-moves
9 Ka3 draw
10 Ra1 draw
11 Rc1 draw
12 Rd1 draw
13 Re1 draw
14 Rf1 draw
15 Kf3 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Kh3 loss in 2 half-moves
20 Kh4 loss in 2 half-moves
21 Kh5 loss in 2 half-moves
22 Rh1 loss in 2 half-moves