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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ra2 loss in 10 half-moves
3 Kd2 loss in 8 half-moves
4 Ke2 loss in 8 half-moves
5 Kf2 loss in 8 half-moves
6 Kf3 loss in 8 half-moves
7 Ra4 loss in 8 half-moves
8 Kd3 loss in 6 half-moves
9 Ra1 loss in 4 half-moves
10 Kd4 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Ra8 loss in 1 half-moves