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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka8 draw
3 Kb7 draw
4 Kb8 draw
5 Ke1 draw
6 Ke2 draw
7 Ke3 draw
8 Kf3 draw
9 Kg2 draw
10 Rc1 draw
11 Rd1 draw
12 Re1 draw
13 Rg1 draw
14 Rh1 draw
15 Kg1 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Ka6 loss in 1 half-moves
18 Kb6 loss in 1 half-moves
19 Ra1 loss in 1 half-moves