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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb6 draw
6 Kbc4 draw
7 Kbc5 draw
8 Kbc6 draw
9 Kd6 draw
10 Kdc4 draw
11 Kdc5 draw
12 Kdc6 draw
13 Ke5 draw
14 Ke6 draw
15 Rb6 draw
16 Rc6 draw
17 Rd6 draw
18 Rh3 draw
19 Rh4 draw
20 Rh5 draw
21 Rh7 draw
22 Rh8 draw
23 Kb4 loss in 2 half-moves
24 Kd4 loss in 2 half-moves
25 Ke4 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Rf6 loss in 2 half-moves
28 Rg6 loss in 2 half-moves
29 Rh1 loss in 2 half-moves
30 Rh2 loss in 2 half-moves