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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Ra2 draw
7 Ra3 draw
8 Ra4 draw
9 Ra5 draw
10 Rb1 draw
11 Rc1 draw
12 Re1 loss in 6 half-moves
13 Rf1 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rd1 loss in 1 half-moves