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 Ka7 draw
3 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 Kc1 draw
7 Kc3 draw
8 Kd1 draw
9 Kd2 draw
10 Kd3 draw
11 Ra1 draw
12 Ra3 draw
13 Ra5 draw
14 Ra6 draw
15 Kb7 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rb2 loss in 2 half-moves