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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Ka4 draw
3 Ka6 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Ra6 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Rb8 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Rd8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Re8 loss in 1 half-moves