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 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb3 draw
6 Kc1 draw
7 Kc3 draw
8 Ra1 draw
9 Ra3 draw
10 Ra5 draw
11 Ra6 draw
12 Kc2 loss in 4 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves