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 Kb4 draw
3 Kb5 draw
4 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Ke7 draw
10 Ke8 draw
11 Kf7 draw
12 Kg7 draw
13 Kg8 draw
14 Ra1 draw
15 Ra6 draw
16 Ra7 draw
17 Ra8 draw
18 Rb5 draw
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves