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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Ra4 win in 3 half-moves
4 Ka4 win in 5 half-moves
5 Ka6 win in 5 half-moves
6 Kb4 win in 5 half-moves
7 Kc2 win in 5 half-moves
8 Ra3 draw
9 Ka1 loss in 2 half-moves
10 Ka3 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kc1 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Ra1 loss in 2 half-moves