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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc5 draw
5 Kc7 draw
6 Kd2 draw
7 Kf3 draw
8 Kf4 draw
9 Ra1 draw
10 Ra3 draw
11 Ra4 draw
12 Ra6 draw
13 Rb2 draw
14 Rc2 draw
15 Rf2 draw
16 Rh2 draw
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Ke2 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Ra5 loss in 2 half-moves
25 Ra7 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rd2 loss in 2 half-moves
28 Re2 loss in 2 half-moves
29 Rg2 loss in 2 half-moves
30 Kf2 loss in 1 half-moves