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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra7 win in 3 half-moves
3 Ra8 win in 21 half-moves
4 Ka3 draw
5 Ka5 draw
6 Kb3 draw
7 Kb5 draw
8 Kc3 draw
9 Kc4 draw
10 Kc5 draw
11 Kc7 draw
12 Kc8 draw
13 Kd7 draw
14 Ke7 draw
15 Ke8 draw
16 Ra6 draw
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves