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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ra5 draw
3 Kb7 loss in 2 half-moves
4 Kb8 loss in 2 half-moves
5 Kcc6 loss in 2 half-moves
6 Kcc8 loss in 2 half-moves
7 Kcd6 loss in 2 half-moves
8 Kcd8 loss in 2 half-moves
9 Kdc6 loss in 2 half-moves
10 Kdc8 loss in 2 half-moves
11 Kdd6 loss in 2 half-moves
12 Kdd8 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rh1 loss in 2 half-moves