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

EGTB: win in 20 half-moves

# move score
1 Ra2 win in 19 half-moves
2 Kb6 draw
3 Kd1 draw
4 Kd2 draw
5 Kd3 draw
6 Ke1 draw
7 Ke3 draw
8 Kf1 draw
9 Kf2 draw
10 Ra4 draw
11 Rb6 draw
12 Kb5 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Ra8 loss in 2 half-moves