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

EGTB: win in 4 half-moves

# move score
1 Kf1 win in 3 half-moves
2 Ra3 draw
3 Ra4 draw
4 Ra8 draw
5 Kd1 loss in 4 half-moves
6 Rb1 loss in 4 half-moves
7 Rc1 loss in 4 half-moves
8 Kd2 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rd1 loss in 2 half-moves