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

EGTB: win in 58 half-moves

# move score
1 Ra7 win in 57 half-moves
2 Ka7 draw
3 Kb1 draw
4 Kb7 draw
5 Kb8 draw
6 Kd1 draw
7 Ra3 draw
8 Ra4 draw
9 Ra5 draw
10 Ra6 draw
11 Rb1 draw
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Ra2 loss in 2 half-moves