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

EGTB: win in 10 half-moves

# move score
1 Ra7 win in 9 half-moves
2 Ra8 win in 13 half-moves
3 Ka5 draw
4 Kb5 draw
5 Kc4 draw
6 Kc5 draw
7 Kd7 draw
8 Kd8 draw
9 Ke7 draw
10 Kf7 draw
11 Kf8 draw
12 Ra5 draw
13 Ra6 draw
14 Ka3 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves