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 win in 3 half-moves
3 Kbb3 win in 3 half-moves
4 Kbc3 win in 3 half-moves
5 Kc1 win in 3 half-moves
6 Kc2 win in 3 half-moves
7 Kd4 win in 3 half-moves
8 Ra4 win in 3 half-moves
9 Ka1 win in 5 half-moves
10 Ka2 win in 5 half-moves
11 Ka3 win in 5 half-moves
12 Kb5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kcb3 loss in 2 half-moves
15 Kcc3 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Rb3 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