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 Kd4 draw
5 Kd5 draw
6 Ke4 draw
7 Kf4 draw
8 Kf5 draw
9 Ra4 draw
10 Rb4 draw
11 Re4 draw
12 Rf4 draw
13 Rg1 draw
14 Rg2 draw
15 Rg3 draw
16 Rg5 draw
17 Rh4 draw
18 Kb6 loss in 2 half-moves
19 Kb7 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Kf6 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Rg6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rg8 loss in 2 half-moves