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 Ka2 draw
3 Ka3 draw
4 Ka4 draw
5 Kb2 draw
6 Kb4 draw
7 Kb7 draw
8 Kb8 draw
9 Kc8 draw
10 Kd7 draw
11 Kd8 draw
12 Ra1 draw
13 Ra3 draw
14 Ra7 draw
15 Ra8 draw
16 Rb6 draw
17 Rg6 draw
18 Rh6 draw
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kc6 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Ra4 loss in 2 half-moves
26 Ra5 loss in 2 half-moves
27 Rc6 loss in 2 half-moves
28 Rd6 loss in 2 half-moves
29 Re6 loss in 2 half-moves
30 Rf6 loss in 2 half-moves