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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Ka8 draw
3 Kb6 draw
4 Kb7 draw
5 Ra2 draw
6 Ra4 draw
7 Ra5 draw
8 Rb1 draw
9 Rd1 draw
10 Re1 draw
11 Rg1 draw
12 Rh1 draw
13 Ka6 loss in 4 half-moves
14 Ra3 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rf1 loss in 2 half-moves