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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 K1c2 draw
3 K1d2 draw
4 K1e2 draw
5 K3c2 draw
6 K3d2 draw
7 K3e2 draw
8 Kc1 draw
9 Kc3 draw
10 Kc4 draw
11 Kd4 draw
12 Ke1 draw
13 Ke3 draw
14 Ke4 draw
15 Ra1 draw
16 Ra2 draw
17 Ra5 draw
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves