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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Kb5 win in 5 half-moves
3 Ra2 win in 5 half-moves
4 Ra3 win in 5 half-moves
5 Kb4 draw
6 Kc4 draw
7 Kd4 draw
8 Kd5 draw
9 Ra1 draw
10 Kb6 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb5 loss in 2 half-moves