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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb3 draw
5 Kbb2 draw
6 Kbc2 draw
7 Kc1 draw
8 Ra1 draw
9 Rb3 draw
10 Kb4 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kcb2 loss in 2 half-moves
13 Kcc2 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves