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 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Ke6 draw
10 Kf5 draw
11 Kf6 draw
12 Rc3 draw
13 Rg4 draw
14 Rg5 draw
15 Rg6 draw
16 Rg7 draw
17 Rg8 draw
18 Rh3 draw
19 Ke4 loss in 2 half-moves
20 Kf4 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves