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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Kd2 loss in 10 half-moves
3 Kf2 loss in 10 half-moves
4 Ke2 loss in 8 half-moves
5 Kf1 loss in 8 half-moves
6 Kd1 loss in 6 half-moves
7 Rb2 loss in 6 half-moves
8 Rb3 loss in 4 half-moves
9 Rb8 loss in 4 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rb7 loss in 1 half-moves