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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kd7 loss in 2 half-moves
3 Kd8 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Kf7 loss in 2 half-moves
6 Kf8 loss in 2 half-moves
7 Ra3 loss in 2 half-moves
8 Rb2 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc3 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rb1 loss in 1 half-moves
17 Rb7 loss in 1 half-moves
18 Rd3 loss in 1 half-moves
19 Rh3 loss in 1 half-moves