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 Kb7 draw
3 Ra1 draw
4 Ra3 draw
5 Ra6 draw
6 Rb2 draw
7 Ka6 loss in 4 half-moves
8 Kb6 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Re2 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rh2 loss in 2 half-moves
16 Ka8 loss in 1 half-moves
17 Rd2 loss in 1 half-moves