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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb8 win in 11 half-moves
3 Kaa7 draw
4 Kab7 draw
5 Kc6 draw
6 Kc7 draw
7 Ka5 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kba7 loss in 2 half-moves
10 Kbb7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra7 loss in 2 half-moves