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 Ka2 draw
3 Kd4 draw
4 Kd5 draw
5 Ke5 draw
6 Kf4 draw
7 Kf5 draw
8 Ra5 draw
9 Ra7 draw
10 Ra8 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves