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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rc3 win in 1 half-moves
3 Kb4 win in 11 half-moves
4 Kb6 win in 11 half-moves
5 Ra3 win in 11 half-moves
6 Kb5 win in 13 half-moves
7 Ka4 loss in 2 half-moves
8 Ka6 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rd3 loss in 2 half-moves