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 Ka2 draw
3 Ka3 draw
4 Ka4 draw
5 Kb4 draw
6 Kb6 draw
7 Kb7 draw
8 Kc7 draw
9 Kd6 draw
10 Kd7 draw
11 Ra1 draw
12 Ra3 draw
13 Ra5 draw
14 Ra6 draw
15 Ra7 draw
16 Rb8 draw
17 Rc8 draw
18 Rg8 draw
19 Rh8 draw
20 Kb2 loss in 2 half-moves
21 Kc2 loss in 2 half-moves
22 Kc3 loss in 2 half-moves
23 Kc4 loss in 2 half-moves
24 Kc5 loss in 2 half-moves
25 Kd5 loss in 2 half-moves
26 Ra2 loss in 2 half-moves
27 Ra4 loss in 2 half-moves
28 Rd8 loss in 2 half-moves
29 Re8 loss in 2 half-moves
30 Rf8 loss in 2 half-moves