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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 K7a8 loss in 2 half-moves
6 K7c7 loss in 2 half-moves
7 K7c8 loss in 2 half-moves
8 K8a8 loss in 2 half-moves
9 K8c7 loss in 2 half-moves
10 K8c8 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves