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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ra1 draw
3 Ra2 draw
4 Ra5 draw
5 Ka3 loss in 2 half-moves
6 Kb3 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Ka5 loss in 1 half-moves
21 Kb5 loss in 1 half-moves
22 Kc5 loss in 1 half-moves