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

EGTB: win in 2 half-moves

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