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 Ra1 win in 3 half-moves
3 Ka6 draw
4 Ka2 loss in 2 half-moves
5 Kaa4 loss in 2 half-moves
6 Kab4 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kba4 loss in 2 half-moves
10 Kbb4 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Kc2 loss in 1 half-moves
14 Kc3 loss in 1 half-moves
15 Kc4 loss in 1 half-moves