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

EGTB: win in 4 half-moves

# move score
1 Kg1 win in 3 half-moves
2 Kd1 win in 5 half-moves
3 Ke1 win in 7 half-moves
4 Kf1 win in 7 half-moves
5 Ra1 draw
6 Rb1 draw
7 Kd2 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Ke3 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves