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 Kb7 loss in 5 half-moves
3 Rc8 loss in 3 half-moves
4 Kb6 loss in 2 half-moves
5 Kc6 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kcd7 loss in 2 half-moves
8 Kcd8 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ked7 loss in 2 half-moves
12 Ked8 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rd8 loss in 2 half-moves