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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Kb6 loss in 2 half-moves
4 Kb8 loss in 2 half-moves
5 Ka6 loss in 1 half-moves
6 Ka8 loss in 1 half-moves
7 Kd1 loss in 1 half-moves
8 Kd2 loss in 1 half-moves
9 Kd3 loss in 1 half-moves
10 Ke1 loss in 1 half-moves
11 Ke3 loss in 1 half-moves
12 Kf1 loss in 1 half-moves
13 Kf2 loss in 1 half-moves
14 Kf3 loss in 1 half-moves
15 Rb1 loss in 1 half-moves
16 Rb4 loss in 1 half-moves
17 Rb5 loss in 1 half-moves
18 Rb6 loss in 1 half-moves
19 Rb8 loss in 1 half-moves
20 Rc7 loss in 1 half-moves
21 Rd7 loss in 1 half-moves
22 Re7 loss in 1 half-moves
23 Rf7 loss in 1 half-moves
24 Rg7 loss in 1 half-moves
25 Rh7 loss in 1 half-moves