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 Kb1 loss in 2 half-moves
3 Kb2 loss in 2 half-moves
4 Kc1 loss in 2 half-moves
5 Kc4 loss in 2 half-moves
6 Kcc3 loss in 2 half-moves
7 Kcd2 loss in 2 half-moves
8 Kd1 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kdc3 loss in 2 half-moves
11 Kdd2 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc3 loss in 2 half-moves