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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Ka5 win in 3 half-moves
3 Ka6 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Ke4 win in 3 half-moves
6 Ke5 win in 3 half-moves
7 Kb6 draw
8 Kbc4 draw
9 Kbc5 draw
10 Kbc6 draw
11 Kdc4 draw
12 Kdc5 draw
13 Kdc6 draw
14 Ke6 draw
15 Rf5 draw
16 Rg4 draw
17 Rg6 draw
18 Rg7 draw
19 Rh5 draw
20 Kb4 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rg8 loss in 2 half-moves