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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Kc5 draw
5 Kc6 draw
6 Ra4 draw
7 Ra7 draw
8 Ra8 draw
9 Ka4 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Ra6 loss in 2 half-moves