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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ra5 draw
6 Ra6 draw
7 Ra7 draw
8 Ka2 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves